1994981480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1\times {\mathrm{1571}}^1$

素因数の和:2234

約数の個数: 64

約数和(自身を含む): 4583952000

約数和(自身を除く): 2588970520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 599, 1060, 1198, 1571, 2120, 2396, 2995, 3142, 4792, 5990, 6284, 7855, 11980, 12568, 15710, 23960, 31420, 31747, 62840, 63494, 83263, 126988, 158735, 166526, 253976, 317470, 333052, 416315, 634940, 666104, 832630, 941029, 1269880, 1665260, 1882058, 3330520, 3764116, 4705145, 7528232, 9410290, 18820580, 37641160, 49874537, 99749074, 199498148, 249372685, 398996296, 498745370, 997490740, 1994981480]

約数ペア:

[(1, 1994981480), (2, 997490740), (4, 498745370), (5, 398996296), (8, 249372685), (10, 199498148), (20, 99749074), (40, 49874537), (53, 37641160), (106, 18820580), (212, 9410290), (265, 7528232), (424, 4705145), (530, 3764116), (599, 3330520), (1060, 1882058), (1198, 1665260), (1571, 1269880), (2120, 941029), (2396, 832630), (2995, 666104), (3142, 634940), (4792, 416315), (5990, 333052), (6284, 317470), (7855, 253976), (11980, 166526), (12568, 158735), (15710, 126988), (23960, 83263), (31420, 63494), (31747, 62840)]