8902940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 19649952

約数和(自身を除く): 10747012

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 227, 265, 370, 454, 530, 740, 908, 1060, 1135, 1961, 2270, 3922, 4540, 7844, 8399, 9805, 12031, 16798, 19610, 24062, 33596, 39220, 41995, 48124, 60155, 83990, 120310, 167980, 240620, 445147, 890294, 1780588, 2225735, 4451470, 8902940]

約数ペア:

[(1, 8902940), (2, 4451470), (4, 2225735), (5, 1780588), (10, 890294), (20, 445147), (37, 240620), (53, 167980), (74, 120310), (106, 83990), (148, 60155), (185, 48124), (212, 41995), (227, 39220), (265, 33596), (370, 24062), (454, 19610), (530, 16798), (740, 12031), (908, 9805), (1060, 8399), (1135, 7844), (1961, 4540), (2270, 3922)]