197675840

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19927}}^1$

素因数の和:19975

約数の個数: 56

約数和(自身を含む): 485924352

約数和(自身を除く): 288248512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 19927, 39854, 79708, 99635, 159416, 199270, 318832, 398540, 617737, 637664, 797080, 1235474, 1275328, 1594160, 2470948, 3088685, 3188320, 4941896, 6177370, 6376640, 9883792, 12354740, 19767584, 24709480, 39535168, 49418960, 98837920, 197675840]

約数ペア:

[(1, 197675840), (2, 98837920), (4, 49418960), (5, 39535168), (8, 24709480), (10, 19767584), (16, 12354740), (20, 9883792), (31, 6376640), (32, 6177370), (40, 4941896), (62, 3188320), (64, 3088685), (80, 2470948), (124, 1594160), (155, 1275328), (160, 1235474), (248, 797080), (310, 637664), (320, 617737), (496, 398540), (620, 318832), (992, 199270), (1240, 159416), (1984, 99635), (2480, 79708), (4960, 39854), (9920, 19927)]