28007850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:352

約数の個数: 96

約数和(自身を含む): 76495104

約数和(自身を除く): 48487254

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 53, 65, 75, 78, 106, 130, 150, 159, 195, 265, 271, 318, 325, 390, 530, 542, 650, 689, 795, 813, 975, 1325, 1355, 1378, 1590, 1626, 1950, 2067, 2650, 2710, 3445, 3523, 3975, 4065, 4134, 6775, 6890, 7046, 7950, 8130, 10335, 10569, 13550, 14363, 17225, 17615, 20325, 20670, 21138, 28726, 34450, 35230, 40650, 43089, 51675, 52845, 71815, 86178, 88075, 103350, 105690, 143630, 176150, 186719, 215445, 264225, 359075, 373438, 430890, 528450, 560157, 718150, 933595, 1077225, 1120314, 1867190, 2154450, 2800785, 4667975, 5601570, 9335950, 14003925, 28007850]

約数ペア:

[(1, 28007850), (2, 14003925), (3, 9335950), (5, 5601570), (6, 4667975), (10, 2800785), (13, 2154450), (15, 1867190), (25, 1120314), (26, 1077225), (30, 933595), (39, 718150), (50, 560157), (53, 528450), (65, 430890), (75, 373438), (78, 359075), (106, 264225), (130, 215445), (150, 186719), (159, 176150), (195, 143630), (265, 105690), (271, 103350), (318, 88075), (325, 86178), (390, 71815), (530, 52845), (542, 51675), (650, 43089), (689, 40650), (795, 35230), (813, 34450), (975, 28726), (1325, 21138), (1355, 20670), (1378, 20325), (1590, 17615), (1626, 17225), (1950, 14363), (2067, 13550), (2650, 10569), (2710, 10335), (3445, 8130), (3523, 7950), (3975, 7046), (4065, 6890), (4134, 6775)]