215635180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{2971}}^1$

素因数の和:3190

約数の個数: 48

約数和(自身を含む): 479324160

約数和(自身を除く): 263688980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 764, 955, 1910, 2971, 3629, 3820, 5942, 7258, 11884, 14516, 14855, 18145, 29710, 36290, 56449, 59420, 72580, 112898, 225796, 282245, 564490, 567461, 1128980, 1134922, 2269844, 2837305, 5674610, 10781759, 11349220, 21563518, 43127036, 53908795, 107817590, 215635180]

約数ペア:

[(1, 215635180), (2, 107817590), (4, 53908795), (5, 43127036), (10, 21563518), (19, 11349220), (20, 10781759), (38, 5674610), (76, 2837305), (95, 2269844), (190, 1134922), (191, 1128980), (380, 567461), (382, 564490), (764, 282245), (955, 225796), (1910, 112898), (2971, 72580), (3629, 59420), (3820, 56449), (5942, 36290), (7258, 29710), (11884, 18145), (14516, 14855)]