388628710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 754790400

約数和(自身を除く): 366161690

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 139, 145, 155, 278, 290, 310, 311, 622, 695, 899, 1390, 1555, 1798, 3110, 4031, 4309, 4495, 8062, 8618, 8990, 9019, 9641, 18038, 19282, 20155, 21545, 40310, 43090, 43229, 45095, 48205, 86458, 90190, 96410, 124961, 216145, 249922, 279589, 432290, 559178, 624805, 1249610, 1253641, 1340099, 1397945, 2507282, 2680198, 2795890, 6268205, 6700495, 12536410, 13400990, 38862871, 77725742, 194314355, 388628710]

約数ペア:

[(1, 388628710), (2, 194314355), (5, 77725742), (10, 38862871), (29, 13400990), (31, 12536410), (58, 6700495), (62, 6268205), (139, 2795890), (145, 2680198), (155, 2507282), (278, 1397945), (290, 1340099), (310, 1253641), (311, 1249610), (622, 624805), (695, 559178), (899, 432290), (1390, 279589), (1555, 249922), (1798, 216145), (3110, 124961), (4031, 96410), (4309, 90190), (4495, 86458), (8062, 48205), (8618, 45095), (8990, 43229), (9019, 43090), (9641, 40310), (18038, 21545), (19282, 20155)]