3788891990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{2543}}^1$

素因数の和:2793

約数の個数: 64

約数和(自身を含む): 7495600896

約数和(自身を除く): 3706708906

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 157, 314, 365, 730, 785, 949, 1570, 1898, 2041, 2543, 4082, 4745, 5086, 9490, 10205, 11461, 12715, 20410, 22922, 25430, 33059, 57305, 66118, 114610, 148993, 165295, 185639, 297986, 330590, 371278, 399251, 744965, 798502, 928195, 1489930, 1856390, 1996255, 2413307, 3992510, 4826614, 5190263, 10380526, 12066535, 24133070, 25951315, 29145323, 51902630, 58290646, 145726615, 291453230, 378889199, 757778398, 1894445995, 3788891990]

約数ペア:

[(1, 3788891990), (2, 1894445995), (5, 757778398), (10, 378889199), (13, 291453230), (26, 145726615), (65, 58290646), (73, 51902630), (130, 29145323), (146, 25951315), (157, 24133070), (314, 12066535), (365, 10380526), (730, 5190263), (785, 4826614), (949, 3992510), (1570, 2413307), (1898, 1996255), (2041, 1856390), (2543, 1489930), (4082, 928195), (4745, 798502), (5086, 744965), (9490, 399251), (10205, 371278), (11461, 330590), (12715, 297986), (20410, 185639), (22922, 165295), (25430, 148993), (33059, 114610), (57305, 66118)]