249499697980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1801}}^1\times {\mathrm{532823}}^1$

素因数の和:534646

約数の個数: 48

約数和(自身を含む): 564567522624

約数和(自身を除く): 315067824644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1801, 3602, 7204, 9005, 18010, 23413, 36020, 46826, 93652, 117065, 234130, 468260, 532823, 1065646, 2131292, 2664115, 5328230, 6926699, 10656460, 13853398, 27706796, 34633495, 69266990, 138533980, 959614223, 1919228446, 3838456892, 4798071115, 9596142230, 12474984899, 19192284460, 24949969798, 49899939596, 62374924495, 124749848990, 249499697980]

約数ペア:

[(1, 249499697980), (2, 124749848990), (4, 62374924495), (5, 49899939596), (10, 24949969798), (13, 19192284460), (20, 12474984899), (26, 9596142230), (52, 4798071115), (65, 3838456892), (130, 1919228446), (260, 959614223), (1801, 138533980), (3602, 69266990), (7204, 34633495), (9005, 27706796), (18010, 13853398), (23413, 10656460), (36020, 6926699), (46826, 5328230), (93652, 2664115), (117065, 2131292), (234130, 1065646), (468260, 532823)]