164864420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{5801}}^1$

素因数の和:5853

約数の個数: 72

約数和(自身を含む): 416699640

約数和(自身を除く): 251835220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2842, 4060, 5684, 5801, 7105, 11602, 14210, 23204, 28420, 29005, 40607, 58010, 81214, 116020, 162428, 168229, 203035, 284249, 336458, 406070, 568498, 672916, 812140, 841145, 1136996, 1177603, 1421245, 1682290, 2355206, 2842490, 3364580, 4710412, 5684980, 5888015, 8243221, 11776030, 16486442, 23552060, 32972884, 41216105, 82432210, 164864420]

約数ペア:

[(1, 164864420), (2, 82432210), (4, 41216105), (5, 32972884), (7, 23552060), (10, 16486442), (14, 11776030), (20, 8243221), (28, 5888015), (29, 5684980), (35, 4710412), (49, 3364580), (58, 2842490), (70, 2355206), (98, 1682290), (116, 1421245), (140, 1177603), (145, 1136996), (196, 841145), (203, 812140), (245, 672916), (290, 568498), (406, 406070), (490, 336458), (580, 284249), (812, 203035), (980, 168229), (1015, 162428), (1421, 116020), (2030, 81214), (2842, 58010), (4060, 40607), (5684, 29005), (5801, 28420), (7105, 23204), (11602, 14210)]