204514420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{367}}^1$

素因数の和:553

約数の個数: 96

約数和(自身を含む): 500774400

約数和(自身を除く): 296259980

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 149, 170, 187, 220, 298, 340, 367, 374, 596, 734, 745, 748, 935, 1468, 1490, 1639, 1835, 1870, 2533, 2980, 3278, 3670, 3740, 4037, 5066, 6239, 6556, 7340, 8074, 8195, 10132, 12478, 12665, 16148, 16390, 20185, 24956, 25330, 27863, 31195, 32780, 40370, 50660, 54683, 55726, 62390, 68629, 80740, 109366, 111452, 124780, 137258, 139315, 218732, 273415, 274516, 278630, 343145, 546830, 557260, 601513, 686290, 929611, 1093660, 1203026, 1372580, 1859222, 2406052, 3007565, 3718444, 4648055, 6015130, 9296110, 10225721, 12030260, 18592220, 20451442, 40902884, 51128605, 102257210, 204514420]

約数ペア:

[(1, 204514420), (2, 102257210), (4, 51128605), (5, 40902884), (10, 20451442), (11, 18592220), (17, 12030260), (20, 10225721), (22, 9296110), (34, 6015130), (44, 4648055), (55, 3718444), (68, 3007565), (85, 2406052), (110, 1859222), (149, 1372580), (170, 1203026), (187, 1093660), (220, 929611), (298, 686290), (340, 601513), (367, 557260), (374, 546830), (596, 343145), (734, 278630), (745, 274516), (748, 273415), (935, 218732), (1468, 139315), (1490, 137258), (1639, 124780), (1835, 111452), (1870, 109366), (2533, 80740), (2980, 68629), (3278, 62390), (3670, 55726), (3740, 54683), (4037, 50660), (5066, 40370), (6239, 32780), (6556, 31195), (7340, 27863), (8074, 25330), (8195, 24956), (10132, 20185), (12478, 16390), (12665, 16148)]