70728980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 179773440

約数和(自身を除く): 109044460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 43, 62, 70, 86, 124, 140, 155, 172, 215, 217, 301, 310, 379, 430, 434, 602, 620, 758, 860, 868, 1085, 1204, 1333, 1505, 1516, 1895, 2170, 2653, 2666, 3010, 3790, 4340, 5306, 5332, 6020, 6665, 7580, 9331, 10612, 11749, 13265, 13330, 16297, 18662, 23498, 26530, 26660, 32594, 37324, 46655, 46996, 53060, 58745, 65188, 81485, 82243, 93310, 114079, 117490, 162970, 164486, 186620, 228158, 234980, 325940, 328972, 411215, 456316, 505207, 570395, 822430, 1010414, 1140790, 1644860, 2020828, 2281580, 2526035, 3536449, 5052070, 7072898, 10104140, 14145796, 17682245, 35364490, 70728980]

約数ペア:

[(1, 70728980), (2, 35364490), (4, 17682245), (5, 14145796), (7, 10104140), (10, 7072898), (14, 5052070), (20, 3536449), (28, 2526035), (31, 2281580), (35, 2020828), (43, 1644860), (62, 1140790), (70, 1010414), (86, 822430), (124, 570395), (140, 505207), (155, 456316), (172, 411215), (215, 328972), (217, 325940), (301, 234980), (310, 228158), (379, 186620), (430, 164486), (434, 162970), (602, 117490), (620, 114079), (758, 93310), (860, 82243), (868, 81485), (1085, 65188), (1204, 58745), (1333, 53060), (1505, 46996), (1516, 46655), (1895, 37324), (2170, 32594), (2653, 26660), (2666, 26530), (3010, 23498), (3790, 18662), (4340, 16297), (5306, 13330), (5332, 13265), (6020, 11749), (6665, 10612), (7580, 9331)]