998720940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{941}}^1$

素因数の和:1005

約数の個数: 216

約数和(自身を含む): 3436845552

約数和(自身を除く): 2438124612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 361, 380, 399, 420, 490, 532, 570, 588, 665, 722, 735, 798, 931, 941, 980, 1083, 1140, 1330, 1444, 1470, 1596, 1805, 1862, 1882, 1995, 2166, 2527, 2660, 2793, 2823, 2940, 3610, 3724, 3764, 3990, 4332, 4655, 4705, 5054, 5415, 5586, 5646, 6587, 7220, 7581, 7980, 9310, 9410, 10108, 10830, 11172, 11292, 12635, 13174, 13965, 14115, 15162, 17689, 17879, 18620, 18820, 19761, 21660, 25270, 26348, 27930, 28230, 30324, 32935, 35378, 35758, 37905, 39522, 46109, 50540, 53067, 53637, 55860, 56460, 65870, 70756, 71516, 75810, 79044, 88445, 89395, 92218, 98805, 106134, 107274, 125153, 131740, 138327, 151620, 176890, 178790, 184436, 197610, 212268, 214548, 230545, 250306, 265335, 268185, 276654, 339701, 353780, 357580, 375459, 395220, 461090, 500612, 530670, 536370, 553308, 625765, 679402, 691635, 750918, 876071, 922180, 1019103, 1061340, 1072740, 1251530, 1358804, 1383270, 1501836, 1698505, 1752142, 1877295, 2038206, 2377907, 2503060, 2628213, 2766540, 3397010, 3504284, 3754590, 4076412, 4380355, 4755814, 5095515, 5256426, 6794020, 7133721, 7509180, 8760710, 9511628, 10191030, 10512852, 11889535, 13141065, 14267442, 16645349, 17521420, 20382060, 23779070, 26282130, 28534884, 33290698, 35668605, 47558140, 49936047, 52564260, 66581396, 71337210, 83226745, 99872094, 142674420, 166453490, 199744188, 249680235, 332906980, 499360470, 998720940]

約数ペア:

[(1, 998720940), (2, 499360470), (3, 332906980), (4, 249680235), (5, 199744188), (6, 166453490), (7, 142674420), (10, 99872094), (12, 83226745), (14, 71337210), (15, 66581396), (19, 52564260), (20, 49936047), (21, 47558140), (28, 35668605), (30, 33290698), (35, 28534884), (38, 26282130), (42, 23779070), (49, 20382060), (57, 17521420), (60, 16645349), (70, 14267442), (76, 13141065), (84, 11889535), (95, 10512852), (98, 10191030), (105, 9511628), (114, 8760710), (133, 7509180), (140, 7133721), (147, 6794020), (190, 5256426), (196, 5095515), (210, 4755814), (228, 4380355), (245, 4076412), (266, 3754590), (285, 3504284), (294, 3397010), (361, 2766540), (380, 2628213), (399, 2503060), (420, 2377907), (490, 2038206), (532, 1877295), (570, 1752142), (588, 1698505), (665, 1501836), (722, 1383270), (735, 1358804), (798, 1251530), (931, 1072740), (941, 1061340), (980, 1019103), (1083, 922180), (1140, 876071), (1330, 750918), (1444, 691635), (1470, 679402), (1596, 625765), (1805, 553308), (1862, 536370), (1882, 530670), (1995, 500612), (2166, 461090), (2527, 395220), (2660, 375459), (2793, 357580), (2823, 353780), (2940, 339701), (3610, 276654), (3724, 268185), (3764, 265335), (3990, 250306), (4332, 230545), (4655, 214548), (4705, 212268), (5054, 197610), (5415, 184436), (5586, 178790), (5646, 176890), (6587, 151620), (7220, 138327), (7581, 131740), (7980, 125153), (9310, 107274), (9410, 106134), (10108, 98805), (10830, 92218), (11172, 89395), (11292, 88445), (12635, 79044), (13174, 75810), (13965, 71516), (14115, 70756), (15162, 65870), (17689, 56460), (17879, 55860), (18620, 53637), (18820, 53067), (19761, 50540), (21660, 46109), (25270, 39522), (26348, 37905), (27930, 35758), (28230, 35378), (30324, 32935)]