2912780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 6985440

約数和(自身を除く): 4072660

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 659, 884, 1105, 1318, 2210, 2636, 3295, 4420, 6590, 8567, 11203, 13180, 17134, 22406, 34268, 42835, 44812, 56015, 85670, 112030, 145639, 171340, 224060, 291278, 582556, 728195, 1456390, 2912780]

約数ペア:

[(1, 2912780), (2, 1456390), (4, 728195), (5, 582556), (10, 291278), (13, 224060), (17, 171340), (20, 145639), (26, 112030), (34, 85670), (52, 56015), (65, 44812), (68, 42835), (85, 34268), (130, 22406), (170, 17134), (221, 13180), (260, 11203), (340, 8567), (442, 6590), (659, 4420), (884, 3295), (1105, 2636), (1318, 2210)]