248908940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 617379840

約数和(自身を除く): 368470900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 173, 215, 239, 301, 346, 430, 478, 602, 692, 860, 865, 956, 1195, 1204, 1211, 1505, 1673, 1730, 2390, 2422, 3010, 3346, 3460, 4780, 4844, 6020, 6055, 6692, 7439, 8365, 10277, 12110, 14878, 16730, 20554, 24220, 29756, 33460, 37195, 41108, 41347, 51385, 52073, 71939, 74390, 82694, 102770, 104146, 143878, 148780, 165388, 205540, 206735, 208292, 260365, 287756, 289429, 359695, 413470, 520730, 578858, 719390, 826940, 1041460, 1157716, 1438780, 1447145, 1777921, 2894290, 3555842, 5788580, 7111684, 8889605, 12445447, 17779210, 24890894, 35558420, 49781788, 62227235, 124454470, 248908940]

約数ペア:

[(1, 248908940), (2, 124454470), (4, 62227235), (5, 49781788), (7, 35558420), (10, 24890894), (14, 17779210), (20, 12445447), (28, 8889605), (35, 7111684), (43, 5788580), (70, 3555842), (86, 2894290), (140, 1777921), (172, 1447145), (173, 1438780), (215, 1157716), (239, 1041460), (301, 826940), (346, 719390), (430, 578858), (478, 520730), (602, 413470), (692, 359695), (860, 289429), (865, 287756), (956, 260365), (1195, 208292), (1204, 206735), (1211, 205540), (1505, 165388), (1673, 148780), (1730, 143878), (2390, 104146), (2422, 102770), (3010, 82694), (3346, 74390), (3460, 71939), (4780, 52073), (4844, 51385), (6020, 41347), (6055, 41108), (6692, 37195), (7439, 33460), (8365, 29756), (10277, 24220), (12110, 20554), (14878, 16730)]