1400156240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{4799}}^1$

素因数の和:5340

約数の個数: 80

約数和(自身を含む): 3728332800

約数和(自身を除く): 2328176560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 521, 560, 1042, 2084, 2605, 3647, 4168, 4799, 5210, 7294, 8336, 9598, 10420, 14588, 18235, 19196, 20840, 23995, 29176, 33593, 36470, 38392, 41680, 47990, 58352, 67186, 72940, 76784, 95980, 134372, 145880, 167965, 191960, 268744, 291760, 335930, 383920, 537488, 671860, 1343720, 2500279, 2687440, 5000558, 10001116, 12501395, 17501953, 20002232, 25002790, 35003906, 40004464, 50005580, 70007812, 87509765, 100011160, 140015624, 175019530, 200022320, 280031248, 350039060, 700078120, 1400156240]

約数ペア:

[(1, 1400156240), (2, 700078120), (4, 350039060), (5, 280031248), (7, 200022320), (8, 175019530), (10, 140015624), (14, 100011160), (16, 87509765), (20, 70007812), (28, 50005580), (35, 40004464), (40, 35003906), (56, 25002790), (70, 20002232), (80, 17501953), (112, 12501395), (140, 10001116), (280, 5000558), (521, 2687440), (560, 2500279), (1042, 1343720), (2084, 671860), (2605, 537488), (3647, 383920), (4168, 335930), (4799, 291760), (5210, 268744), (7294, 191960), (8336, 167965), (9598, 145880), (10420, 134372), (14588, 95980), (18235, 76784), (19196, 72940), (20840, 67186), (23995, 58352), (29176, 47990), (33593, 41680), (36470, 38392)]