201715100

素因数分解:

$2^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 449971200

約数和(自身を除く): 248256100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 100, 118, 179, 191, 236, 295, 358, 382, 590, 716, 764, 895, 955, 1180, 1475, 1790, 1910, 2950, 3580, 3820, 4475, 4775, 5900, 8950, 9550, 10561, 11269, 17900, 19100, 21122, 22538, 34189, 42244, 45076, 52805, 56345, 68378, 105610, 112690, 136756, 170945, 211220, 225380, 264025, 281725, 341890, 528050, 563450, 683780, 854725, 1056100, 1126900, 1709450, 2017151, 3418900, 4034302, 8068604, 10085755, 20171510, 40343020, 50428775, 100857550, 201715100]

約数ペア:

[(1, 201715100), (2, 100857550), (4, 50428775), (5, 40343020), (10, 20171510), (20, 10085755), (25, 8068604), (50, 4034302), (59, 3418900), (100, 2017151), (118, 1709450), (179, 1126900), (191, 1056100), (236, 854725), (295, 683780), (358, 563450), (382, 528050), (590, 341890), (716, 281725), (764, 264025), (895, 225380), (955, 211220), (1180, 170945), (1475, 136756), (1790, 112690), (1910, 105610), (2950, 68378), (3580, 56345), (3820, 52805), (4475, 45076), (4775, 42244), (5900, 34189), (8950, 22538), (9550, 21122), (10561, 19100), (11269, 17900)]