212218278100

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{299701}}^1$

素因数の和:299885

約数の個数: 72

約数和(自身を含む): 471636242168

約数和(自身を除く): 259417964068

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 97, 100, 146, 194, 292, 365, 388, 485, 730, 970, 1460, 1825, 1940, 2425, 3650, 4850, 7081, 7300, 9700, 14162, 28324, 35405, 70810, 141620, 177025, 299701, 354050, 599402, 708100, 1198804, 1498505, 2997010, 5994020, 7492525, 14985050, 21878173, 29070997, 29970100, 43756346, 58141994, 87512692, 109390865, 116283988, 145354985, 218781730, 290709970, 437563460, 546954325, 581419940, 726774925, 1093908650, 1453549850, 2122182781, 2187817300, 2907099700, 4244365562, 8488731124, 10610913905, 21221827810, 42443655620, 53054569525, 106109139050, 212218278100]

約数ペア:

[(1, 212218278100), (2, 106109139050), (4, 53054569525), (5, 42443655620), (10, 21221827810), (20, 10610913905), (25, 8488731124), (50, 4244365562), (73, 2907099700), (97, 2187817300), (100, 2122182781), (146, 1453549850), (194, 1093908650), (292, 726774925), (365, 581419940), (388, 546954325), (485, 437563460), (730, 290709970), (970, 218781730), (1460, 145354985), (1825, 116283988), (1940, 109390865), (2425, 87512692), (3650, 58141994), (4850, 43756346), (7081, 29970100), (7300, 29070997), (9700, 21878173), (14162, 14985050), (28324, 7492525), (35405, 5994020), (70810, 2997010), (141620, 1498505), (177025, 1198804), (299701, 708100), (354050, 599402)]