4340440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 11158560

約数和(自身を除く): 6818120

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 491, 520, 680, 884, 982, 1105, 1768, 1964, 2210, 2455, 3928, 4420, 4910, 6383, 8347, 8840, 9820, 12766, 16694, 19640, 25532, 31915, 33388, 41735, 51064, 63830, 66776, 83470, 108511, 127660, 166940, 217022, 255320, 333880, 434044, 542555, 868088, 1085110, 2170220, 4340440]

約数ペア:

[(1, 4340440), (2, 2170220), (4, 1085110), (5, 868088), (8, 542555), (10, 434044), (13, 333880), (17, 255320), (20, 217022), (26, 166940), (34, 127660), (40, 108511), (52, 83470), (65, 66776), (68, 63830), (85, 51064), (104, 41735), (130, 33388), (136, 31915), (170, 25532), (221, 19640), (260, 16694), (340, 12766), (442, 9820), (491, 8840), (520, 8347), (680, 6383), (884, 4910), (982, 4420), (1105, 3928), (1768, 2455), (1964, 2210)]