201883160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 507824640

約数和(自身を除く): 305941480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 61, 62, 68, 85, 122, 124, 136, 155, 157, 170, 244, 248, 305, 310, 314, 340, 488, 527, 610, 620, 628, 680, 785, 1037, 1054, 1220, 1240, 1256, 1570, 1891, 2074, 2108, 2440, 2635, 2669, 3140, 3782, 4148, 4216, 4867, 5185, 5270, 5338, 6280, 7564, 8296, 9455, 9577, 9734, 10370, 10540, 10676, 13345, 15128, 18910, 19154, 19468, 20740, 21080, 21352, 24335, 26690, 32147, 37820, 38308, 38936, 41480, 47885, 48670, 53380, 64294, 75640, 76616, 82739, 95770, 97340, 106760, 128588, 160735, 162809, 165478, 191540, 194680, 257176, 296887, 321470, 325618, 330956, 383080, 413695, 593774, 642940, 651236, 661912, 814045, 827390, 1187548, 1285880, 1302472, 1484435, 1628090, 1654780, 2375096, 2968870, 3256180, 3309560, 5047079, 5937740, 6512360, 10094158, 11875480, 20188316, 25235395, 40376632, 50470790, 100941580, 201883160]

約数ペア:

[(1, 201883160), (2, 100941580), (4, 50470790), (5, 40376632), (8, 25235395), (10, 20188316), (17, 11875480), (20, 10094158), (31, 6512360), (34, 5937740), (40, 5047079), (61, 3309560), (62, 3256180), (68, 2968870), (85, 2375096), (122, 1654780), (124, 1628090), (136, 1484435), (155, 1302472), (157, 1285880), (170, 1187548), (244, 827390), (248, 814045), (305, 661912), (310, 651236), (314, 642940), (340, 593774), (488, 413695), (527, 383080), (610, 330956), (620, 325618), (628, 321470), (680, 296887), (785, 257176), (1037, 194680), (1054, 191540), (1220, 165478), (1240, 162809), (1256, 160735), (1570, 128588), (1891, 106760), (2074, 97340), (2108, 95770), (2440, 82739), (2635, 76616), (2669, 75640), (3140, 64294), (3782, 53380), (4148, 48670), (4216, 47885), (4867, 41480), (5185, 38936), (5270, 38308), (5338, 37820), (6280, 32147), (7564, 26690), (8296, 24335), (9455, 21352), (9577, 21080), (9734, 20740), (10370, 19468), (10540, 19154), (10676, 18910), (13345, 15128)]