201768580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 487710720

約数和(自身を除く): 285942140

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 191, 221, 239, 260, 340, 382, 442, 478, 764, 884, 955, 956, 1105, 1195, 1910, 2210, 2390, 2483, 3107, 3247, 3820, 4063, 4420, 4780, 4966, 6214, 6494, 8126, 9932, 12415, 12428, 12988, 15535, 16235, 16252, 20315, 24830, 31070, 32470, 40630, 42211, 45649, 49660, 52819, 62140, 64940, 81260, 84422, 91298, 105638, 168844, 182596, 211055, 211276, 228245, 264095, 422110, 456490, 528190, 593437, 776033, 844220, 912980, 1056380, 1186874, 1552066, 2373748, 2967185, 3104132, 3880165, 5934370, 7760330, 10088429, 11868740, 15520660, 20176858, 40353716, 50442145, 100884290, 201768580]

約数ペア:

[(1, 201768580), (2, 100884290), (4, 50442145), (5, 40353716), (10, 20176858), (13, 15520660), (17, 11868740), (20, 10088429), (26, 7760330), (34, 5934370), (52, 3880165), (65, 3104132), (68, 2967185), (85, 2373748), (130, 1552066), (170, 1186874), (191, 1056380), (221, 912980), (239, 844220), (260, 776033), (340, 593437), (382, 528190), (442, 456490), (478, 422110), (764, 264095), (884, 228245), (955, 211276), (956, 211055), (1105, 182596), (1195, 168844), (1910, 105638), (2210, 91298), (2390, 84422), (2483, 81260), (3107, 64940), (3247, 62140), (3820, 52819), (4063, 49660), (4420, 45649), (4780, 42211), (4966, 40630), (6214, 32470), (6494, 31070), (8126, 24830), (9932, 20315), (12415, 16252), (12428, 16235), (12988, 15535)]