87140300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3943}}^1$

素因数の和:3987

約数の個数: 72

約数和(自身を含む): 215673696

約数和(自身を除く): 128533396

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 650, 850, 884, 1105, 1300, 1700, 2210, 3943, 4420, 5525, 7886, 11050, 15772, 19715, 22100, 39430, 51259, 67031, 78860, 98575, 102518, 134062, 197150, 205036, 256295, 268124, 335155, 394300, 512590, 670310, 871403, 1025180, 1281475, 1340620, 1675775, 1742806, 2562950, 3351550, 3485612, 4357015, 5125900, 6703100, 8714030, 17428060, 21785075, 43570150, 87140300]

約数ペア:

[(1, 87140300), (2, 43570150), (4, 21785075), (5, 17428060), (10, 8714030), (13, 6703100), (17, 5125900), (20, 4357015), (25, 3485612), (26, 3351550), (34, 2562950), (50, 1742806), (52, 1675775), (65, 1340620), (68, 1281475), (85, 1025180), (100, 871403), (130, 670310), (170, 512590), (221, 394300), (260, 335155), (325, 268124), (340, 256295), (425, 205036), (442, 197150), (650, 134062), (850, 102518), (884, 98575), (1105, 78860), (1300, 67031), (1700, 51259), (2210, 39430), (3943, 22100), (4420, 19715), (5525, 15772), (7886, 11050)]