208499220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1117}}^1$

素因数の和:1210

約数の個数: 144

約数和(自身を含む): 681237648

約数和(自身を除く): 472738428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 61, 68, 85, 90, 102, 122, 153, 170, 180, 183, 204, 244, 255, 305, 306, 340, 366, 510, 549, 610, 612, 732, 765, 915, 1020, 1037, 1098, 1117, 1220, 1530, 1830, 2074, 2196, 2234, 2745, 3060, 3111, 3351, 3660, 4148, 4468, 5185, 5490, 5585, 6222, 6702, 9333, 10053, 10370, 10980, 11170, 12444, 13404, 15555, 16755, 18666, 18989, 20106, 20740, 22340, 31110, 33510, 37332, 37978, 40212, 46665, 50265, 56967, 62220, 67020, 68137, 75956, 93330, 94945, 100530, 113934, 136274, 170901, 186660, 189890, 201060, 204411, 227868, 272548, 284835, 340685, 341802, 379780, 408822, 569670, 613233, 681370, 683604, 817644, 854505, 1022055, 1139340, 1158329, 1226466, 1362740, 1709010, 2044110, 2316658, 2452932, 3066165, 3418020, 3474987, 4088220, 4633316, 5791645, 6132330, 6949974, 10424961, 11583290, 12264660, 13899948, 17374935, 20849922, 23166580, 34749870, 41699844, 52124805, 69499740, 104249610, 208499220]

約数ペア:

[(1, 208499220), (2, 104249610), (3, 69499740), (4, 52124805), (5, 41699844), (6, 34749870), (9, 23166580), (10, 20849922), (12, 17374935), (15, 13899948), (17, 12264660), (18, 11583290), (20, 10424961), (30, 6949974), (34, 6132330), (36, 5791645), (45, 4633316), (51, 4088220), (60, 3474987), (61, 3418020), (68, 3066165), (85, 2452932), (90, 2316658), (102, 2044110), (122, 1709010), (153, 1362740), (170, 1226466), (180, 1158329), (183, 1139340), (204, 1022055), (244, 854505), (255, 817644), (305, 683604), (306, 681370), (340, 613233), (366, 569670), (510, 408822), (549, 379780), (610, 341802), (612, 340685), (732, 284835), (765, 272548), (915, 227868), (1020, 204411), (1037, 201060), (1098, 189890), (1117, 186660), (1220, 170901), (1530, 136274), (1830, 113934), (2074, 100530), (2196, 94945), (2234, 93330), (2745, 75956), (3060, 68137), (3111, 67020), (3351, 62220), (3660, 56967), (4148, 50265), (4468, 46665), (5185, 40212), (5490, 37978), (5585, 37332), (6222, 33510), (6702, 31110), (9333, 22340), (10053, 20740), (10370, 20106), (10980, 18989), (11170, 18666), (12444, 16755), (13404, 15555)]