1889720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 5158080

約数和(自身を除く): 3268360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 397, 476, 595, 680, 794, 952, 1190, 1588, 1985, 2380, 2779, 3176, 3970, 4760, 5558, 6749, 7940, 11116, 13498, 13895, 15880, 22232, 26996, 27790, 33745, 47243, 53992, 55580, 67490, 94486, 111160, 134980, 188972, 236215, 269960, 377944, 472430, 944860, 1889720]

約数ペア:

[(1, 1889720), (2, 944860), (4, 472430), (5, 377944), (7, 269960), (8, 236215), (10, 188972), (14, 134980), (17, 111160), (20, 94486), (28, 67490), (34, 55580), (35, 53992), (40, 47243), (56, 33745), (68, 27790), (70, 26996), (85, 22232), (119, 15880), (136, 13895), (140, 13498), (170, 11116), (238, 7940), (280, 6749), (340, 5558), (397, 4760), (476, 3970), (595, 3176), (680, 2779), (794, 2380), (952, 1985), (1190, 1588)]