219653600

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:589

約数の個数: 144

約数和(自身を含む): 587212416

約数和(自身を除く): 367558816

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 32, 34, 40, 50, 62, 68, 80, 85, 100, 124, 136, 155, 160, 170, 200, 248, 272, 310, 340, 400, 425, 496, 521, 527, 544, 620, 680, 775, 800, 850, 992, 1042, 1054, 1240, 1360, 1550, 1700, 2084, 2108, 2480, 2605, 2635, 2720, 3100, 3400, 4168, 4216, 4960, 5210, 5270, 6200, 6800, 8336, 8432, 8857, 10420, 10540, 12400, 13025, 13175, 13600, 16151, 16672, 16864, 17714, 20840, 21080, 24800, 26050, 26350, 32302, 35428, 41680, 42160, 44285, 52100, 52700, 64604, 70856, 80755, 83360, 84320, 88570, 104200, 105400, 129208, 141712, 161510, 177140, 208400, 210800, 221425, 258416, 274567, 283424, 323020, 354280, 403775, 416800, 421600, 442850, 516832, 549134, 646040, 708560, 807550, 885700, 1098268, 1292080, 1372835, 1417120, 1615100, 1771400, 2196536, 2584160, 2745670, 3230200, 3542800, 4393072, 5491340, 6460400, 6864175, 7085600, 8786144, 10982680, 12920800, 13728350, 21965360, 27456700, 43930720, 54913400, 109826800, 219653600]

約数ペア:

[(1, 219653600), (2, 109826800), (4, 54913400), (5, 43930720), (8, 27456700), (10, 21965360), (16, 13728350), (17, 12920800), (20, 10982680), (25, 8786144), (31, 7085600), (32, 6864175), (34, 6460400), (40, 5491340), (50, 4393072), (62, 3542800), (68, 3230200), (80, 2745670), (85, 2584160), (100, 2196536), (124, 1771400), (136, 1615100), (155, 1417120), (160, 1372835), (170, 1292080), (200, 1098268), (248, 885700), (272, 807550), (310, 708560), (340, 646040), (400, 549134), (425, 516832), (496, 442850), (521, 421600), (527, 416800), (544, 403775), (620, 354280), (680, 323020), (775, 283424), (800, 274567), (850, 258416), (992, 221425), (1042, 210800), (1054, 208400), (1240, 177140), (1360, 161510), (1550, 141712), (1700, 129208), (2084, 105400), (2108, 104200), (2480, 88570), (2605, 84320), (2635, 83360), (2720, 80755), (3100, 70856), (3400, 64604), (4168, 52700), (4216, 52100), (4960, 44285), (5210, 42160), (5270, 41680), (6200, 35428), (6800, 32302), (8336, 26350), (8432, 26050), (8857, 24800), (10420, 21080), (10540, 20840), (12400, 17714), (13025, 16864), (13175, 16672), (13600, 16151)]