688723750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3853}}^1$

素因数の和:3899

約数の個数: 80

約数和(自身を含む): 1517026896

約数和(自身を除く): 828303146

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 125, 130, 143, 250, 275, 286, 325, 550, 625, 650, 715, 1250, 1375, 1430, 1625, 2750, 3250, 3575, 3853, 6875, 7150, 7706, 8125, 13750, 16250, 17875, 19265, 35750, 38530, 42383, 50089, 84766, 89375, 96325, 100178, 178750, 192650, 211915, 250445, 423830, 481625, 500890, 550979, 963250, 1059575, 1101958, 1252225, 2119150, 2408125, 2504450, 2754895, 4816250, 5297875, 5509790, 6261125, 10595750, 12522250, 13774475, 26489375, 27548950, 31305625, 52978750, 62611250, 68872375, 137744750, 344361875, 688723750]

約数ペア:

[(1, 688723750), (2, 344361875), (5, 137744750), (10, 68872375), (11, 62611250), (13, 52978750), (22, 31305625), (25, 27548950), (26, 26489375), (50, 13774475), (55, 12522250), (65, 10595750), (110, 6261125), (125, 5509790), (130, 5297875), (143, 4816250), (250, 2754895), (275, 2504450), (286, 2408125), (325, 2119150), (550, 1252225), (625, 1101958), (650, 1059575), (715, 963250), (1250, 550979), (1375, 500890), (1430, 481625), (1625, 423830), (2750, 250445), (3250, 211915), (3575, 192650), (3853, 178750), (6875, 100178), (7150, 96325), (7706, 89375), (8125, 84766), (13750, 50089), (16250, 42383), (17875, 38530), (19265, 35750)]