17759950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 36091440

約数和(自身を除く): 18331490

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 89, 130, 178, 307, 325, 445, 614, 650, 890, 1157, 1535, 2225, 2314, 3070, 3991, 4450, 5785, 7675, 7982, 11570, 15350, 19955, 27323, 28925, 39910, 54646, 57850, 99775, 136615, 199550, 273230, 355199, 683075, 710398, 1366150, 1775995, 3551990, 8879975, 17759950]

約数ペア:

[(1, 17759950), (2, 8879975), (5, 3551990), (10, 1775995), (13, 1366150), (25, 710398), (26, 683075), (50, 355199), (65, 273230), (89, 199550), (130, 136615), (178, 99775), (307, 57850), (325, 54646), (445, 39910), (614, 28925), (650, 27323), (890, 19955), (1157, 15350), (1535, 11570), (2225, 7982), (2314, 7675), (3070, 5785), (3991, 4450)]