399287880

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{13693}}^1$

素因数の和:13722

約数の個数: 112

約数和(自身を含む): 1347078780

約数和(自身を除く): 947790900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2430, 2916, 3240, 3645, 4860, 5832, 7290, 9720, 13693, 14580, 27386, 29160, 41079, 54772, 68465, 82158, 109544, 123237, 136930, 164316, 205395, 246474, 273860, 328632, 369711, 410790, 492948, 547720, 616185, 739422, 821580, 985896, 1109133, 1232370, 1478844, 1643160, 1848555, 2218266, 2464740, 2957688, 3327399, 3697110, 4436532, 4929480, 5545665, 6654798, 7394220, 8873064, 9982197, 11091330, 13309596, 14788440, 16636995, 19964394, 22182660, 26619192, 33273990, 39928788, 44365320, 49910985, 66547980, 79857576, 99821970, 133095960, 199643940, 399287880]

約数ペア:

[(1, 399287880), (2, 199643940), (3, 133095960), (4, 99821970), (5, 79857576), (6, 66547980), (8, 49910985), (9, 44365320), (10, 39928788), (12, 33273990), (15, 26619192), (18, 22182660), (20, 19964394), (24, 16636995), (27, 14788440), (30, 13309596), (36, 11091330), (40, 9982197), (45, 8873064), (54, 7394220), (60, 6654798), (72, 5545665), (81, 4929480), (90, 4436532), (108, 3697110), (120, 3327399), (135, 2957688), (162, 2464740), (180, 2218266), (216, 1848555), (243, 1643160), (270, 1478844), (324, 1232370), (360, 1109133), (405, 985896), (486, 821580), (540, 739422), (648, 616185), (729, 547720), (810, 492948), (972, 410790), (1080, 369711), (1215, 328632), (1458, 273860), (1620, 246474), (1944, 205395), (2430, 164316), (2916, 136930), (3240, 123237), (3645, 109544), (4860, 82158), (5832, 68465), (7290, 54772), (9720, 41079), (13693, 29160), (14580, 27386)]