71438900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 168426720

約数和(自身を除く): 96987820

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 179, 260, 307, 325, 358, 614, 650, 716, 895, 1228, 1300, 1535, 1790, 2327, 3070, 3580, 3991, 4475, 4654, 6140, 7675, 7982, 8950, 9308, 11635, 15350, 15964, 17900, 19955, 23270, 30700, 39910, 46540, 54953, 58175, 79820, 99775, 109906, 116350, 199550, 219812, 232700, 274765, 399100, 549530, 714389, 1099060, 1373825, 1428778, 2747650, 2857556, 3571945, 5495300, 7143890, 14287780, 17859725, 35719450, 71438900]

約数ペア:

[(1, 71438900), (2, 35719450), (4, 17859725), (5, 14287780), (10, 7143890), (13, 5495300), (20, 3571945), (25, 2857556), (26, 2747650), (50, 1428778), (52, 1373825), (65, 1099060), (100, 714389), (130, 549530), (179, 399100), (260, 274765), (307, 232700), (325, 219812), (358, 199550), (614, 116350), (650, 109906), (716, 99775), (895, 79820), (1228, 58175), (1300, 54953), (1535, 46540), (1790, 39910), (2327, 30700), (3070, 23270), (3580, 19955), (3991, 17900), (4475, 15964), (4654, 15350), (6140, 11635), (7675, 9308), (7982, 8950)]