311271700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{647}}^1$

素因数の和:961

約数の個数: 72

約数和(自身を含む): 718828992

約数和(自身を除く): 407557292

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 283, 340, 425, 566, 647, 850, 1132, 1294, 1415, 1700, 2588, 2830, 3235, 4811, 5660, 6470, 7075, 9622, 10999, 12940, 14150, 16175, 19244, 21998, 24055, 28300, 32350, 43996, 48110, 54995, 64700, 96220, 109990, 120275, 183101, 219980, 240550, 274975, 366202, 481100, 549950, 732404, 915505, 1099900, 1831010, 3112717, 3662020, 4577525, 6225434, 9155050, 12450868, 15563585, 18310100, 31127170, 62254340, 77817925, 155635850, 311271700]

約数ペア:

[(1, 311271700), (2, 155635850), (4, 77817925), (5, 62254340), (10, 31127170), (17, 18310100), (20, 15563585), (25, 12450868), (34, 9155050), (50, 6225434), (68, 4577525), (85, 3662020), (100, 3112717), (170, 1831010), (283, 1099900), (340, 915505), (425, 732404), (566, 549950), (647, 481100), (850, 366202), (1132, 274975), (1294, 240550), (1415, 219980), (1700, 183101), (2588, 120275), (2830, 109990), (3235, 96220), (4811, 64700), (5660, 54995), (6470, 48110), (7075, 43996), (9622, 32350), (10999, 28300), (12940, 24055), (14150, 21998), (16175, 19244)]