7990890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 20618496

約数和(自身を除く): 12627606

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 37, 46, 69, 74, 111, 115, 138, 185, 222, 230, 313, 345, 370, 555, 626, 690, 851, 939, 1110, 1565, 1702, 1878, 2553, 3130, 4255, 4695, 5106, 7199, 8510, 9390, 11581, 12765, 14398, 21597, 23162, 25530, 34743, 35995, 43194, 57905, 69486, 71990, 107985, 115810, 173715, 215970, 266363, 347430, 532726, 799089, 1331815, 1598178, 2663630, 3995445, 7990890]

約数ペア:

[(1, 7990890), (2, 3995445), (3, 2663630), (5, 1598178), (6, 1331815), (10, 799089), (15, 532726), (23, 347430), (30, 266363), (37, 215970), (46, 173715), (69, 115810), (74, 107985), (111, 71990), (115, 69486), (138, 57905), (185, 43194), (222, 35995), (230, 34743), (313, 25530), (345, 23162), (370, 21597), (555, 14398), (626, 12765), (690, 11581), (851, 9390), (939, 8510), (1110, 7199), (1565, 5106), (1702, 4695), (1878, 4255), (2553, 3130)]