19496769740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{375371}}^1$

素因数の和:375447

約数の個数: 72

約数和(自身を含む): 48526590672

約数和(自身を除く): 29029820932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 1060, 1484, 1855, 2597, 3710, 5194, 7420, 10388, 12985, 25970, 51940, 375371, 750742, 1501484, 1876855, 2627597, 3753710, 5255194, 7507420, 10510388, 13137985, 18393179, 19894663, 26275970, 36786358, 39789326, 52551940, 73572716, 79578652, 91965895, 99473315, 139262641, 183931790, 198946630, 278525282, 367863580, 397893260, 557050564, 696313205, 974838487, 1392626410, 1949676974, 2785252820, 3899353948, 4874192435, 9748384870, 19496769740]

約数ペア:

[(1, 19496769740), (2, 9748384870), (4, 4874192435), (5, 3899353948), (7, 2785252820), (10, 1949676974), (14, 1392626410), (20, 974838487), (28, 696313205), (35, 557050564), (49, 397893260), (53, 367863580), (70, 278525282), (98, 198946630), (106, 183931790), (140, 139262641), (196, 99473315), (212, 91965895), (245, 79578652), (265, 73572716), (371, 52551940), (490, 39789326), (530, 36786358), (742, 26275970), (980, 19894663), (1060, 18393179), (1484, 13137985), (1855, 10510388), (2597, 7507420), (3710, 5255194), (5194, 3753710), (7420, 2627597), (10388, 1876855), (12985, 1501484), (25970, 750742), (51940, 375371)]