201355990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 128

約数和(自身を含む): 447897600

約数和(自身を除く): 246541610

約数列:

[1, 2, 5, 10, 11, 17, 22, 29, 34, 47, 55, 58, 79, 85, 94, 110, 145, 158, 170, 187, 235, 290, 319, 374, 395, 470, 493, 517, 638, 790, 799, 869, 935, 986, 1034, 1343, 1363, 1595, 1598, 1738, 1870, 2291, 2465, 2585, 2686, 2726, 3190, 3713, 3995, 4345, 4582, 4930, 5170, 5423, 6715, 6815, 7426, 7990, 8690, 8789, 10846, 11455, 13430, 13630, 14773, 14993, 17578, 18565, 22910, 23171, 25201, 27115, 29546, 29986, 37130, 38947, 40843, 43945, 46342, 50402, 54230, 63121, 73865, 74965, 77894, 81686, 87890, 107677, 115855, 126005, 126242, 147730, 149930, 194735, 204215, 215354, 231710, 252010, 254881, 315605, 389470, 408430, 428417, 509762, 538385, 631210, 694331, 856834, 1076770, 1184447, 1274405, 1388662, 1830509, 2142085, 2368894, 2548810, 3471655, 3661018, 4284170, 5922235, 6943310, 9152545, 11844470, 18305090, 20135599, 40271198, 100677995, 201355990]

約数ペア:

[(1, 201355990), (2, 100677995), (5, 40271198), (10, 20135599), (11, 18305090), (17, 11844470), (22, 9152545), (29, 6943310), (34, 5922235), (47, 4284170), (55, 3661018), (58, 3471655), (79, 2548810), (85, 2368894), (94, 2142085), (110, 1830509), (145, 1388662), (158, 1274405), (170, 1184447), (187, 1076770), (235, 856834), (290, 694331), (319, 631210), (374, 538385), (395, 509762), (470, 428417), (493, 408430), (517, 389470), (638, 315605), (790, 254881), (799, 252010), (869, 231710), (935, 215354), (986, 204215), (1034, 194735), (1343, 149930), (1363, 147730), (1595, 126242), (1598, 126005), (1738, 115855), (1870, 107677), (2291, 87890), (2465, 81686), (2585, 77894), (2686, 74965), (2726, 73865), (3190, 63121), (3713, 54230), (3995, 50402), (4345, 46342), (4582, 43945), (4930, 40843), (5170, 38947), (5423, 37130), (6715, 29986), (6815, 29546), (7426, 27115), (7990, 25201), (8690, 23171), (8789, 22910), (10846, 18565), (11455, 17578), (13430, 14993), (13630, 14773)]