91278850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{389}}^1$

素因数の和:452

約数の個数: 72

約数和(自身を含む): 193464180

約数和(自身を除く): 102185330

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 361, 389, 475, 494, 650, 722, 778, 950, 1235, 1805, 1945, 2470, 3610, 3890, 4693, 5057, 6175, 7391, 9025, 9386, 9725, 10114, 12350, 14782, 18050, 19450, 23465, 25285, 36955, 46930, 50570, 73910, 96083, 117325, 126425, 140429, 184775, 192166, 234650, 252850, 280858, 369550, 480415, 702145, 960830, 1404290, 1825577, 2402075, 3510725, 3651154, 4804150, 7021450, 9127885, 18255770, 45639425, 91278850]

約数ペア:

[(1, 91278850), (2, 45639425), (5, 18255770), (10, 9127885), (13, 7021450), (19, 4804150), (25, 3651154), (26, 3510725), (38, 2402075), (50, 1825577), (65, 1404290), (95, 960830), (130, 702145), (190, 480415), (247, 369550), (325, 280858), (361, 252850), (389, 234650), (475, 192166), (494, 184775), (650, 140429), (722, 126425), (778, 117325), (950, 96083), (1235, 73910), (1805, 50570), (1945, 46930), (2470, 36955), (3610, 25285), (3890, 23465), (4693, 19450), (5057, 18050), (6175, 14782), (7391, 12350), (9025, 10114), (9386, 9725)]