277598480

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:624

約数の個数: 80

約数和(自身を含む): 661457664

約数和(自身を除く): 383859184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 97, 166, 194, 332, 388, 415, 431, 485, 664, 776, 830, 862, 970, 1328, 1552, 1660, 1724, 1940, 2155, 3320, 3448, 3880, 4310, 6640, 6896, 7760, 8051, 8620, 16102, 17240, 32204, 34480, 35773, 40255, 41807, 64408, 71546, 80510, 83614, 128816, 143092, 161020, 167228, 178865, 209035, 286184, 322040, 334456, 357730, 418070, 572368, 644080, 668912, 715460, 836140, 1430920, 1672280, 2861840, 3344560, 3469981, 6939962, 13879924, 17349905, 27759848, 34699810, 55519696, 69399620, 138799240, 277598480]

約数ペア:

[(1, 277598480), (2, 138799240), (4, 69399620), (5, 55519696), (8, 34699810), (10, 27759848), (16, 17349905), (20, 13879924), (40, 6939962), (80, 3469981), (83, 3344560), (97, 2861840), (166, 1672280), (194, 1430920), (332, 836140), (388, 715460), (415, 668912), (431, 644080), (485, 572368), (664, 418070), (776, 357730), (830, 334456), (862, 322040), (970, 286184), (1328, 209035), (1552, 178865), (1660, 167228), (1724, 161020), (1940, 143092), (2155, 128816), (3320, 83614), (3448, 80510), (3880, 71546), (4310, 64408), (6640, 41807), (6896, 40255), (7760, 35773), (8051, 34480), (8620, 32204), (16102, 17240)]