28075530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 79781760

約数和(自身を除く): 51706230

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 71, 98, 105, 142, 147, 210, 213, 245, 269, 294, 355, 426, 490, 497, 538, 710, 735, 807, 994, 1065, 1345, 1470, 1491, 1614, 1883, 2130, 2485, 2690, 2982, 3479, 3766, 4035, 4970, 5649, 6958, 7455, 8070, 9415, 10437, 11298, 13181, 14910, 17395, 18830, 19099, 20874, 26362, 28245, 34790, 38198, 39543, 52185, 56490, 57297, 65905, 79086, 95495, 104370, 114594, 131810, 133693, 190990, 197715, 267386, 286485, 395430, 401079, 572970, 668465, 802158, 935851, 1336930, 1871702, 2005395, 2807553, 4010790, 4679255, 5615106, 9358510, 14037765, 28075530]

約数ペア:

[(1, 28075530), (2, 14037765), (3, 9358510), (5, 5615106), (6, 4679255), (7, 4010790), (10, 2807553), (14, 2005395), (15, 1871702), (21, 1336930), (30, 935851), (35, 802158), (42, 668465), (49, 572970), (70, 401079), (71, 395430), (98, 286485), (105, 267386), (142, 197715), (147, 190990), (210, 133693), (213, 131810), (245, 114594), (269, 104370), (294, 95495), (355, 79086), (426, 65905), (490, 57297), (497, 56490), (538, 52185), (710, 39543), (735, 38198), (807, 34790), (994, 28245), (1065, 26362), (1345, 20874), (1470, 19099), (1491, 18830), (1614, 17395), (1883, 14910), (2130, 13181), (2485, 11298), (2690, 10437), (2982, 9415), (3479, 8070), (3766, 7455), (4035, 6958), (4970, 5649)]