1896440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 5261760

約数和(自身を除く): 3365320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 521, 728, 910, 1042, 1820, 2084, 2605, 3640, 3647, 4168, 5210, 6773, 7294, 10420, 13546, 14588, 18235, 20840, 27092, 29176, 33865, 36470, 47411, 54184, 67730, 72940, 94822, 135460, 145880, 189644, 237055, 270920, 379288, 474110, 948220, 1896440]

約数ペア:

[(1, 1896440), (2, 948220), (4, 474110), (5, 379288), (7, 270920), (8, 237055), (10, 189644), (13, 145880), (14, 135460), (20, 94822), (26, 72940), (28, 67730), (35, 54184), (40, 47411), (52, 36470), (56, 33865), (65, 29176), (70, 27092), (91, 20840), (104, 18235), (130, 14588), (140, 13546), (182, 10420), (260, 7294), (280, 6773), (364, 5210), (455, 4168), (520, 3647), (521, 3640), (728, 2605), (910, 2084), (1042, 1820)]