1218279400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3371}}^1$

素因数の和:3539

約数の個数: 96

約数和(自身を含む): 3073240800

約数和(自身を除く): 1854961400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 139, 200, 260, 278, 325, 520, 556, 650, 695, 1112, 1300, 1390, 1807, 2600, 2780, 3371, 3475, 3614, 5560, 6742, 6950, 7228, 9035, 13484, 13900, 14456, 16855, 18070, 26968, 27800, 33710, 36140, 43823, 45175, 67420, 72280, 84275, 87646, 90350, 134840, 168550, 175292, 180700, 219115, 337100, 350584, 361400, 438230, 468569, 674200, 876460, 937138, 1095575, 1752920, 1874276, 2191150, 2342845, 3748552, 4382300, 4685690, 6091397, 8764600, 9371380, 11714225, 12182794, 18742760, 23428450, 24365588, 30456985, 46856900, 48731176, 60913970, 93713800, 121827940, 152284925, 243655880, 304569850, 609139700, 1218279400]

約数ペア:

[(1, 1218279400), (2, 609139700), (4, 304569850), (5, 243655880), (8, 152284925), (10, 121827940), (13, 93713800), (20, 60913970), (25, 48731176), (26, 46856900), (40, 30456985), (50, 24365588), (52, 23428450), (65, 18742760), (100, 12182794), (104, 11714225), (130, 9371380), (139, 8764600), (200, 6091397), (260, 4685690), (278, 4382300), (325, 3748552), (520, 2342845), (556, 2191150), (650, 1874276), (695, 1752920), (1112, 1095575), (1300, 937138), (1390, 876460), (1807, 674200), (2600, 468569), (2780, 438230), (3371, 361400), (3475, 350584), (3614, 337100), (5560, 219115), (6742, 180700), (6950, 175292), (7228, 168550), (9035, 134840), (13484, 90350), (13900, 87646), (14456, 84275), (16855, 72280), (18070, 67420), (26968, 45175), (27800, 43823), (33710, 36140)]