2813720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{773}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 7801920

約数和(自身を除く): 4988200

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, 728, 773, 910, 1546, 1820, 3092, 3640, 3865, 5411, 6184, 7730, 10049, 10822, 15460, 20098, 21644, 27055, 30920, 40196, 43288, 50245, 54110, 70343, 80392, 100490, 108220, 140686, 200980, 216440, 281372, 351715, 401960, 562744, 703430, 1406860, 2813720]

約数ペア:

[(1, 2813720), (2, 1406860), (4, 703430), (5, 562744), (7, 401960), (8, 351715), (10, 281372), (13, 216440), (14, 200980), (20, 140686), (26, 108220), (28, 100490), (35, 80392), (40, 70343), (52, 54110), (56, 50245), (65, 43288), (70, 40196), (91, 30920), (104, 27055), (130, 21644), (140, 20098), (182, 15460), (260, 10822), (280, 10049), (364, 7730), (455, 6184), (520, 5411), (728, 3865), (773, 3640), (910, 3092), (1546, 1820)]