3631940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 8384880

約数和(自身を除く): 4752940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 229, 244, 260, 305, 458, 610, 793, 916, 1145, 1220, 1586, 2290, 2977, 3172, 3965, 4580, 5954, 7930, 11908, 13969, 14885, 15860, 27938, 29770, 55876, 59540, 69845, 139690, 181597, 279380, 363194, 726388, 907985, 1815970, 3631940]

約数ペア:

[(1, 3631940), (2, 1815970), (4, 907985), (5, 726388), (10, 363194), (13, 279380), (20, 181597), (26, 139690), (52, 69845), (61, 59540), (65, 55876), (122, 29770), (130, 27938), (229, 15860), (244, 14885), (260, 13969), (305, 11908), (458, 7930), (610, 5954), (793, 4580), (916, 3965), (1145, 3172), (1220, 2977), (1586, 2290)]