154967200

素因数分解:

$2^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1997}}^1$

素因数の和:2114

約数の個数: 72

約数和(自身を含む): 382405212

約数和(自身を除く): 227438012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 160, 194, 200, 388, 400, 485, 776, 800, 970, 1552, 1940, 1997, 2425, 3104, 3880, 3994, 4850, 7760, 7988, 9700, 9985, 15520, 15976, 19400, 19970, 31952, 38800, 39940, 49925, 63904, 77600, 79880, 99850, 159760, 193709, 199700, 319520, 387418, 399400, 774836, 798800, 968545, 1549672, 1597600, 1937090, 3099344, 3874180, 4842725, 6198688, 7748360, 9685450, 15496720, 19370900, 30993440, 38741800, 77483600, 154967200]

約数ペア:

[(1, 154967200), (2, 77483600), (4, 38741800), (5, 30993440), (8, 19370900), (10, 15496720), (16, 9685450), (20, 7748360), (25, 6198688), (32, 4842725), (40, 3874180), (50, 3099344), (80, 1937090), (97, 1597600), (100, 1549672), (160, 968545), (194, 798800), (200, 774836), (388, 399400), (400, 387418), (485, 319520), (776, 199700), (800, 193709), (970, 159760), (1552, 99850), (1940, 79880), (1997, 77600), (2425, 63904), (3104, 49925), (3880, 39940), (3994, 38800), (4850, 31952), (7760, 19970), (7988, 19400), (9700, 15976), (9985, 15520)]