388688460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^2\times {\mathrm{1861}}^1$

素因数の和:1991

約数の個数: 72

約数和(自身を含む): 1107681456

約数和(自身を除く): 718992996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 1861, 3481, 3540, 3722, 5583, 6962, 7444, 9305, 10443, 11166, 13924, 17405, 18610, 20886, 22332, 27915, 34810, 37220, 41772, 52215, 55830, 69620, 104430, 109799, 111660, 208860, 219598, 329397, 439196, 548995, 658794, 1097990, 1317588, 1646985, 2195980, 3293970, 6478141, 6587940, 12956282, 19434423, 25912564, 32390705, 38868846, 64781410, 77737692, 97172115, 129562820, 194344230, 388688460]

約数ペア:

[(1, 388688460), (2, 194344230), (3, 129562820), (4, 97172115), (5, 77737692), (6, 64781410), (10, 38868846), (12, 32390705), (15, 25912564), (20, 19434423), (30, 12956282), (59, 6587940), (60, 6478141), (118, 3293970), (177, 2195980), (236, 1646985), (295, 1317588), (354, 1097990), (590, 658794), (708, 548995), (885, 439196), (1180, 329397), (1770, 219598), (1861, 208860), (3481, 111660), (3540, 109799), (3722, 104430), (5583, 69620), (6962, 55830), (7444, 52215), (9305, 41772), (10443, 37220), (11166, 34810), (13924, 27915), (17405, 22332), (18610, 20886)]