428914760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{20347}}^1$

素因数の和:20406

約数の個数: 64

約数和(自身を含む): 1054840320

約数和(自身を除く): 625925560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 4216, 5270, 10540, 20347, 21080, 40694, 81388, 101735, 162776, 203470, 345899, 406940, 630757, 691798, 813880, 1261514, 1383596, 1729495, 2523028, 2767192, 3153785, 3458990, 5046056, 6307570, 6917980, 10722869, 12615140, 13835960, 21445738, 25230280, 42891476, 53614345, 85782952, 107228690, 214457380, 428914760]

約数ペア:

[(1, 428914760), (2, 214457380), (4, 107228690), (5, 85782952), (8, 53614345), (10, 42891476), (17, 25230280), (20, 21445738), (31, 13835960), (34, 12615140), (40, 10722869), (62, 6917980), (68, 6307570), (85, 5046056), (124, 3458990), (136, 3153785), (155, 2767192), (170, 2523028), (248, 1729495), (310, 1383596), (340, 1261514), (527, 813880), (620, 691798), (680, 630757), (1054, 406940), (1240, 345899), (2108, 203470), (2635, 162776), (4216, 101735), (5270, 81388), (10540, 40694), (20347, 21080)]