2019901975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{38603}}^1$

素因数の和:38656

約数の個数: 48

約数和(自身を含む): 3216794112

約数和(自身を除く): 1196892137

約数列:

[1, 5, 7, 13, 23, 25, 35, 65, 91, 115, 161, 175, 299, 325, 455, 575, 805, 1495, 2093, 2275, 4025, 7475, 10465, 38603, 52325, 193015, 270221, 501839, 887869, 965075, 1351105, 2509195, 3512873, 4439345, 6215083, 6755525, 11542297, 12545975, 17564365, 22196725, 31075415, 57711485, 80796079, 87821825, 155377075, 288557425, 403980395, 2019901975]

約数ペア:

[(1, 2019901975), (5, 403980395), (7, 288557425), (13, 155377075), (23, 87821825), (25, 80796079), (35, 57711485), (65, 31075415), (91, 22196725), (115, 17564365), (161, 12545975), (175, 11542297), (299, 6755525), (325, 6215083), (455, 4439345), (575, 3512873), (805, 2509195), (1495, 1351105), (2093, 965075), (2275, 887869), (4025, 501839), (7475, 270221), (10465, 193015), (38603, 52325)]