216575750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 433667520

約数和(自身を除く): 217091770

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 131, 170, 250, 262, 389, 425, 655, 778, 850, 1310, 1945, 2125, 2227, 3275, 3890, 4250, 4454, 6550, 6613, 9725, 11135, 13226, 16375, 19450, 22270, 32750, 33065, 48625, 50959, 55675, 66130, 97250, 101918, 111350, 165325, 254795, 278375, 330650, 509590, 556750, 826625, 866303, 1273975, 1653250, 1732606, 2547950, 4331515, 6369875, 8663030, 12739750, 21657575, 43315150, 108287875, 216575750]

約数ペア:

[(1, 216575750), (2, 108287875), (5, 43315150), (10, 21657575), (17, 12739750), (25, 8663030), (34, 6369875), (50, 4331515), (85, 2547950), (125, 1732606), (131, 1653250), (170, 1273975), (250, 866303), (262, 826625), (389, 556750), (425, 509590), (655, 330650), (778, 278375), (850, 254795), (1310, 165325), (1945, 111350), (2125, 101918), (2227, 97250), (3275, 66130), (3890, 55675), (4250, 50959), (4454, 48625), (6550, 33065), (6613, 32750), (9725, 22270), (11135, 19450), (13226, 16375)]