211068260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{53}}^2$

素因数の和:162

約数の個数: 108

約数和(自身を含む): 516817308

約数和(自身を除く): 305749048

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 53, 65, 68, 85, 106, 130, 170, 212, 221, 260, 265, 289, 340, 442, 530, 578, 689, 884, 901, 1060, 1105, 1156, 1378, 1445, 1802, 2210, 2756, 2809, 2890, 3445, 3604, 3757, 4420, 4505, 5618, 5780, 6890, 7514, 9010, 11236, 11713, 13780, 14045, 15028, 15317, 18020, 18785, 23426, 28090, 30634, 36517, 37570, 46852, 47753, 56180, 58565, 61268, 73034, 75140, 76585, 95506, 117130, 146068, 153170, 182585, 191012, 199121, 234260, 238765, 306340, 365170, 398242, 477530, 620789, 730340, 796484, 811801, 955060, 995605, 1241578, 1623602, 1991210, 2483156, 3103945, 3247204, 3982420, 4059005, 6207890, 8118010, 10553413, 12415780, 16236020, 21106826, 42213652, 52767065, 105534130, 211068260]

約数ペア:

[(1, 211068260), (2, 105534130), (4, 52767065), (5, 42213652), (10, 21106826), (13, 16236020), (17, 12415780), (20, 10553413), (26, 8118010), (34, 6207890), (52, 4059005), (53, 3982420), (65, 3247204), (68, 3103945), (85, 2483156), (106, 1991210), (130, 1623602), (170, 1241578), (212, 995605), (221, 955060), (260, 811801), (265, 796484), (289, 730340), (340, 620789), (442, 477530), (530, 398242), (578, 365170), (689, 306340), (884, 238765), (901, 234260), (1060, 199121), (1105, 191012), (1156, 182585), (1378, 153170), (1445, 146068), (1802, 117130), (2210, 95506), (2756, 76585), (2809, 75140), (2890, 73034), (3445, 61268), (3604, 58565), (3757, 56180), (4420, 47753), (4505, 46852), (5618, 37570), (5780, 36517), (6890, 30634), (7514, 28090), (9010, 23426), (11236, 18785), (11713, 18020), (13780, 15317), (14045, 15028)]