198694020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3557}}^1$

素因数の和:3602

約数の個数: 144

約数和(自身を含む): 681428160

約数和(自身を除く): 482734140

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, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3557, 3724, 3990, 4655, 5586, 7114, 7980, 9310, 10671, 11172, 13965, 14228, 17785, 18620, 21342, 24899, 27930, 35570, 42684, 49798, 53355, 55860, 67583, 71140, 74697, 99596, 106710, 124495, 135166, 149394, 174293, 202749, 213420, 248990, 270332, 298788, 337915, 348586, 373485, 405498, 473081, 497980, 522879, 675830, 697172, 746970, 810996, 871465, 946162, 1013745, 1045758, 1351660, 1419243, 1493940, 1742930, 1892324, 2027490, 2091516, 2365405, 2614395, 2838486, 3311567, 3485860, 4054980, 4730810, 5228790, 5676972, 6623134, 7096215, 9461620, 9934701, 10457580, 13246268, 14192430, 16557835, 19869402, 28384860, 33115670, 39738804, 49673505, 66231340, 99347010, 198694020]

約数ペア:

[(1, 198694020), (2, 99347010), (3, 66231340), (4, 49673505), (5, 39738804), (6, 33115670), (7, 28384860), (10, 19869402), (12, 16557835), (14, 14192430), (15, 13246268), (19, 10457580), (20, 9934701), (21, 9461620), (28, 7096215), (30, 6623134), (35, 5676972), (38, 5228790), (42, 4730810), (49, 4054980), (57, 3485860), (60, 3311567), (70, 2838486), (76, 2614395), (84, 2365405), (95, 2091516), (98, 2027490), (105, 1892324), (114, 1742930), (133, 1493940), (140, 1419243), (147, 1351660), (190, 1045758), (196, 1013745), (210, 946162), (228, 871465), (245, 810996), (266, 746970), (285, 697172), (294, 675830), (380, 522879), (399, 497980), (420, 473081), (490, 405498), (532, 373485), (570, 348586), (588, 337915), (665, 298788), (735, 270332), (798, 248990), (931, 213420), (980, 202749), (1140, 174293), (1330, 149394), (1470, 135166), (1596, 124495), (1862, 106710), (1995, 99596), (2660, 74697), (2793, 71140), (2940, 67583), (3557, 55860), (3724, 53355), (3990, 49798), (4655, 42684), (5586, 35570), (7114, 27930), (7980, 24899), (9310, 21342), (10671, 18620), (11172, 17785), (13965, 14228)]