401024990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{4133}}^1$

素因数の和:4484

約数の個数: 32

約数和(自身を含む): 747691776

約数和(自身を除く): 346666786

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 313, 626, 1565, 3130, 4133, 8266, 9703, 19406, 20665, 41330, 48515, 97030, 128123, 256246, 640615, 1281230, 1293629, 2587258, 6468145, 12936290, 40102499, 80204998, 200512495, 401024990]

約数ペア:

[(1, 401024990), (2, 200512495), (5, 80204998), (10, 40102499), (31, 12936290), (62, 6468145), (155, 2587258), (310, 1293629), (313, 1281230), (626, 640615), (1565, 256246), (3130, 128123), (4133, 97030), (8266, 48515), (9703, 41330), (19406, 20665)]