289355980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{2719}}^1$

素因数の和:3058

約数の個数: 48

約数和(自身を含む): 645684480

約数和(自身を除く): 356328500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 313, 340, 626, 1252, 1565, 2719, 3130, 5321, 5438, 6260, 10642, 10876, 13595, 21284, 26605, 27190, 46223, 53210, 54380, 92446, 106420, 184892, 231115, 462230, 851047, 924460, 1702094, 3404188, 4255235, 8510470, 14467799, 17020940, 28935598, 57871196, 72338995, 144677990, 289355980]

約数ペア:

[(1, 289355980), (2, 144677990), (4, 72338995), (5, 57871196), (10, 28935598), (17, 17020940), (20, 14467799), (34, 8510470), (68, 4255235), (85, 3404188), (170, 1702094), (313, 924460), (340, 851047), (626, 462230), (1252, 231115), (1565, 184892), (2719, 106420), (3130, 92446), (5321, 54380), (5438, 53210), (6260, 46223), (10642, 27190), (10876, 26605), (13595, 21284)]