207143320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1427}}^1$

素因数の和:1648

約数の個数: 64

約数和(自身を含む): 493516800

約数和(自身を除く): 286373480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 191, 380, 382, 760, 764, 955, 1427, 1528, 1910, 2854, 3629, 3820, 5708, 7135, 7258, 7640, 11416, 14270, 14516, 18145, 27113, 28540, 29032, 36290, 54226, 57080, 72580, 108452, 135565, 145160, 216904, 271130, 272557, 542260, 545114, 1084520, 1090228, 1362785, 2180456, 2725570, 5178583, 5451140, 10357166, 10902280, 20714332, 25892915, 41428664, 51785830, 103571660, 207143320]

約数ペア:

[(1, 207143320), (2, 103571660), (4, 51785830), (5, 41428664), (8, 25892915), (10, 20714332), (19, 10902280), (20, 10357166), (38, 5451140), (40, 5178583), (76, 2725570), (95, 2180456), (152, 1362785), (190, 1090228), (191, 1084520), (380, 545114), (382, 542260), (760, 272557), (764, 271130), (955, 216904), (1427, 145160), (1528, 135565), (1910, 108452), (2854, 72580), (3629, 57080), (3820, 54226), (5708, 36290), (7135, 29032), (7258, 28540), (7640, 27113), (11416, 18145), (14270, 14516)]