2663260

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 5937120

約数和(自身を除く): 3273860

約数列:

[1, 2, 4, 5, 10, 20, 37, 59, 61, 74, 118, 122, 148, 185, 236, 244, 295, 305, 370, 590, 610, 740, 1180, 1220, 2183, 2257, 3599, 4366, 4514, 7198, 8732, 9028, 10915, 11285, 14396, 17995, 21830, 22570, 35990, 43660, 45140, 71980, 133163, 266326, 532652, 665815, 1331630, 2663260]

約数ペア:

[(1, 2663260), (2, 1331630), (4, 665815), (5, 532652), (10, 266326), (20, 133163), (37, 71980), (59, 45140), (61, 43660), (74, 35990), (118, 22570), (122, 21830), (148, 17995), (185, 14396), (236, 11285), (244, 10915), (295, 9028), (305, 8732), (370, 7198), (590, 4514), (610, 4366), (740, 3599), (1180, 2257), (1220, 2183)]