308339980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{62417}}^1$

素因数の和:62458

約数の個数: 48

約数和(自身を含む): 734035680

約数和(自身を除く): 425695700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 62417, 124834, 249668, 312085, 624170, 811421, 1185923, 1248340, 1622842, 2371846, 3245684, 4057105, 4743692, 5929615, 8114210, 11859230, 15416999, 16228420, 23718460, 30833998, 61667996, 77084995, 154169990, 308339980]

約数ペア:

[(1, 308339980), (2, 154169990), (4, 77084995), (5, 61667996), (10, 30833998), (13, 23718460), (19, 16228420), (20, 15416999), (26, 11859230), (38, 8114210), (52, 5929615), (65, 4743692), (76, 4057105), (95, 3245684), (130, 2371846), (190, 1622842), (247, 1248340), (260, 1185923), (380, 811421), (494, 624170), (988, 312085), (1235, 249668), (2470, 124834), (4940, 62417)]