28314090

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 87920640

約数和(自身を除く): 59606550

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 71, 90, 105, 126, 135, 142, 189, 210, 211, 213, 270, 315, 355, 378, 422, 426, 497, 630, 633, 639, 710, 945, 994, 1055, 1065, 1266, 1278, 1477, 1491, 1890, 1899, 1917, 2110, 2130, 2485, 2954, 2982, 3165, 3195, 3798, 3834, 4431, 4473, 4970, 5697, 6330, 6390, 7385, 7455, 8862, 8946, 9495, 9585, 11394, 13293, 13419, 14770, 14910, 14981, 18990, 19170, 22155, 22365, 26586, 26838, 28485, 29962, 39879, 44310, 44730, 44943, 56970, 66465, 67095, 74905, 79758, 89886, 104867, 132930, 134190, 134829, 149810, 199395, 209734, 224715, 269658, 314601, 398790, 404487, 449430, 524335, 629202, 674145, 808974, 943803, 1048670, 1348290, 1573005, 1887606, 2022435, 2831409, 3146010, 4044870, 4719015, 5662818, 9438030, 14157045, 28314090]

約数ペア:

[(1, 28314090), (2, 14157045), (3, 9438030), (5, 5662818), (6, 4719015), (7, 4044870), (9, 3146010), (10, 2831409), (14, 2022435), (15, 1887606), (18, 1573005), (21, 1348290), (27, 1048670), (30, 943803), (35, 808974), (42, 674145), (45, 629202), (54, 524335), (63, 449430), (70, 404487), (71, 398790), (90, 314601), (105, 269658), (126, 224715), (135, 209734), (142, 199395), (189, 149810), (210, 134829), (211, 134190), (213, 132930), (270, 104867), (315, 89886), (355, 79758), (378, 74905), (422, 67095), (426, 66465), (497, 56970), (630, 44943), (633, 44730), (639, 44310), (710, 39879), (945, 29962), (994, 28485), (1055, 26838), (1065, 26586), (1266, 22365), (1278, 22155), (1477, 19170), (1491, 18990), (1890, 14981), (1899, 14910), (1917, 14770), (2110, 13419), (2130, 13293), (2485, 11394), (2954, 9585), (2982, 9495), (3165, 8946), (3195, 8862), (3798, 7455), (3834, 7385), (4431, 6390), (4473, 6330), (4970, 5697)]