291225760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{260023}}^1$

素因数の和:260045

約数の個数: 48

約数和(自身を含む): 786312576

約数和(自身を除く): 495086816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 260023, 520046, 1040092, 1300115, 1820161, 2080184, 2600230, 3640322, 4160368, 5200460, 7280644, 8320736, 9100805, 10400920, 14561288, 18201610, 20801840, 29122576, 36403220, 41603680, 58245152, 72806440, 145612880, 291225760]

約数ペア:

[(1, 291225760), (2, 145612880), (4, 72806440), (5, 58245152), (7, 41603680), (8, 36403220), (10, 29122576), (14, 20801840), (16, 18201610), (20, 14561288), (28, 10400920), (32, 9100805), (35, 8320736), (40, 7280644), (56, 5200460), (70, 4160368), (80, 3640322), (112, 2600230), (140, 2080184), (160, 1820161), (224, 1300115), (280, 1040092), (560, 520046), (1120, 260023)]