28786618900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{123707}}^1$

素因数の和:123913

約数の個数: 72

約数和(自身を含む): 67648482720

約数和(自身を除く): 38861863820

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 179, 260, 325, 358, 650, 716, 895, 1300, 1790, 2327, 3580, 4475, 4654, 8950, 9308, 11635, 17900, 23270, 46540, 58175, 116350, 123707, 232700, 247414, 494828, 618535, 1237070, 1608191, 2474140, 3092675, 3216382, 6185350, 6432764, 8040955, 12370700, 16081910, 22143553, 32163820, 40204775, 44287106, 80409550, 88574212, 110717765, 160819100, 221435530, 287866189, 442871060, 553588825, 575732378, 1107177650, 1151464756, 1439330945, 2214355300, 2878661890, 5757323780, 7196654725, 14393309450, 28786618900]

約数ペア:

[(1, 28786618900), (2, 14393309450), (4, 7196654725), (5, 5757323780), (10, 2878661890), (13, 2214355300), (20, 1439330945), (25, 1151464756), (26, 1107177650), (50, 575732378), (52, 553588825), (65, 442871060), (100, 287866189), (130, 221435530), (179, 160819100), (260, 110717765), (325, 88574212), (358, 80409550), (650, 44287106), (716, 40204775), (895, 32163820), (1300, 22143553), (1790, 16081910), (2327, 12370700), (3580, 8040955), (4475, 6432764), (4654, 6185350), (8950, 3216382), (9308, 3092675), (11635, 2474140), (17900, 1608191), (23270, 1237070), (46540, 618535), (58175, 494828), (116350, 247414), (123707, 232700)]