74186980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 197706096

約数和(自身を除く): 123519116

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 61, 68, 70, 73, 85, 98, 119, 122, 140, 146, 170, 196, 238, 244, 245, 292, 305, 340, 365, 427, 476, 490, 511, 595, 610, 730, 833, 854, 980, 1022, 1037, 1190, 1220, 1241, 1460, 1666, 1708, 2044, 2074, 2135, 2380, 2482, 2555, 2989, 3332, 3577, 4148, 4165, 4270, 4453, 4964, 5110, 5185, 5978, 6205, 7154, 7259, 8330, 8540, 8687, 8906, 10220, 10370, 11956, 12410, 14308, 14518, 14945, 16660, 17374, 17812, 17885, 20740, 22265, 24820, 29036, 29890, 31171, 34748, 35770, 36295, 43435, 44530, 50813, 59780, 60809, 62342, 71540, 72590, 75701, 86870, 89060, 101626, 121618, 124684, 145180, 151402, 155855, 173740, 203252, 218197, 243236, 254065, 302804, 304045, 311710, 378505, 436394, 508130, 529907, 608090, 623420, 757010, 872788, 1016260, 1059814, 1090985, 1216180, 1514020, 2119628, 2181970, 2649535, 3709349, 4363940, 5299070, 7418698, 10598140, 14837396, 18546745, 37093490, 74186980]

約数ペア:

[(1, 74186980), (2, 37093490), (4, 18546745), (5, 14837396), (7, 10598140), (10, 7418698), (14, 5299070), (17, 4363940), (20, 3709349), (28, 2649535), (34, 2181970), (35, 2119628), (49, 1514020), (61, 1216180), (68, 1090985), (70, 1059814), (73, 1016260), (85, 872788), (98, 757010), (119, 623420), (122, 608090), (140, 529907), (146, 508130), (170, 436394), (196, 378505), (238, 311710), (244, 304045), (245, 302804), (292, 254065), (305, 243236), (340, 218197), (365, 203252), (427, 173740), (476, 155855), (490, 151402), (511, 145180), (595, 124684), (610, 121618), (730, 101626), (833, 89060), (854, 86870), (980, 75701), (1022, 72590), (1037, 71540), (1190, 62342), (1220, 60809), (1241, 59780), (1460, 50813), (1666, 44530), (1708, 43435), (2044, 36295), (2074, 35770), (2135, 34748), (2380, 31171), (2482, 29890), (2555, 29036), (2989, 24820), (3332, 22265), (3577, 20740), (4148, 17885), (4165, 17812), (4270, 17374), (4453, 16660), (4964, 14945), (5110, 14518), (5185, 14308), (5978, 12410), (6205, 11956), (7154, 10370), (7259, 10220), (8330, 8906), (8540, 8687)]