395815980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:488

約数の個数: 192

約数和(自身を含む): 1345397760

約数和(自身を除く): 949581780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 193, 210, 228, 257, 266, 285, 380, 386, 399, 420, 514, 532, 570, 579, 665, 771, 772, 798, 965, 1028, 1140, 1158, 1285, 1330, 1351, 1542, 1596, 1799, 1930, 1995, 2316, 2570, 2660, 2702, 2895, 3084, 3598, 3667, 3855, 3860, 3990, 4053, 4883, 5140, 5397, 5404, 5790, 6755, 7196, 7334, 7710, 7980, 8106, 8995, 9766, 10794, 11001, 11580, 13510, 14649, 14668, 15420, 16212, 17990, 18335, 19532, 20265, 21588, 22002, 24415, 25669, 26985, 27020, 29298, 34181, 35980, 36670, 40530, 44004, 48830, 49601, 51338, 53970, 55005, 58596, 68362, 73245, 73340, 77007, 81060, 97660, 99202, 102543, 102676, 107940, 110010, 128345, 136724, 146490, 148803, 154014, 170905, 198404, 205086, 220020, 248005, 256690, 292980, 297606, 308028, 341810, 347207, 385035, 410172, 496010, 512715, 513380, 595212, 683620, 694414, 744015, 770070, 942419, 992020, 1025430, 1041621, 1388828, 1488030, 1540140, 1736035, 1884838, 2050860, 2083242, 2827257, 2976060, 3472070, 3769676, 4166484, 4712095, 5208105, 5654514, 6596933, 6944140, 9424190, 10416210, 11309028, 13193866, 14136285, 18848380, 19790799, 20832420, 26387732, 28272570, 32984665, 39581598, 56545140, 65969330, 79163196, 98953995, 131938660, 197907990, 395815980]

約数ペア:

[(1, 395815980), (2, 197907990), (3, 131938660), (4, 98953995), (5, 79163196), (6, 65969330), (7, 56545140), (10, 39581598), (12, 32984665), (14, 28272570), (15, 26387732), (19, 20832420), (20, 19790799), (21, 18848380), (28, 14136285), (30, 13193866), (35, 11309028), (38, 10416210), (42, 9424190), (57, 6944140), (60, 6596933), (70, 5654514), (76, 5208105), (84, 4712095), (95, 4166484), (105, 3769676), (114, 3472070), (133, 2976060), (140, 2827257), (190, 2083242), (193, 2050860), (210, 1884838), (228, 1736035), (257, 1540140), (266, 1488030), (285, 1388828), (380, 1041621), (386, 1025430), (399, 992020), (420, 942419), (514, 770070), (532, 744015), (570, 694414), (579, 683620), (665, 595212), (771, 513380), (772, 512715), (798, 496010), (965, 410172), (1028, 385035), (1140, 347207), (1158, 341810), (1285, 308028), (1330, 297606), (1351, 292980), (1542, 256690), (1596, 248005), (1799, 220020), (1930, 205086), (1995, 198404), (2316, 170905), (2570, 154014), (2660, 148803), (2702, 146490), (2895, 136724), (3084, 128345), (3598, 110010), (3667, 107940), (3855, 102676), (3860, 102543), (3990, 99202), (4053, 97660), (4883, 81060), (5140, 77007), (5397, 73340), (5404, 73245), (5790, 68362), (6755, 58596), (7196, 55005), (7334, 53970), (7710, 51338), (7980, 49601), (8106, 48830), (8995, 44004), (9766, 40530), (10794, 36670), (11001, 35980), (11580, 34181), (13510, 29298), (14649, 27020), (14668, 26985), (15420, 25669), (16212, 24415), (17990, 22002), (18335, 21588), (19532, 20265)]