142470625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 80

約数和(自身を含む): 218630016

約数和(自身を除く): 76159391

約数列:

[1, 5, 11, 17, 23, 25, 53, 55, 85, 115, 125, 187, 253, 265, 275, 391, 425, 575, 583, 625, 901, 935, 1219, 1265, 1325, 1375, 1955, 2125, 2875, 2915, 4301, 4505, 4675, 6095, 6325, 6625, 6875, 9775, 9911, 10625, 13409, 14375, 14575, 20723, 21505, 22525, 23375, 30475, 31625, 33125, 48875, 49555, 67045, 72875, 103615, 107525, 112625, 116875, 152375, 158125, 227953, 244375, 247775, 335225, 364375, 518075, 537625, 563125, 761875, 1139765, 1238875, 1676125, 2590375, 2688125, 5698825, 6194375, 8380625, 12951875, 28494125, 142470625]

約数ペア:

[(1, 142470625), (5, 28494125), (11, 12951875), (17, 8380625), (23, 6194375), (25, 5698825), (53, 2688125), (55, 2590375), (85, 1676125), (115, 1238875), (125, 1139765), (187, 761875), (253, 563125), (265, 537625), (275, 518075), (391, 364375), (425, 335225), (575, 247775), (583, 244375), (625, 227953), (901, 158125), (935, 152375), (1219, 116875), (1265, 112625), (1325, 107525), (1375, 103615), (1955, 72875), (2125, 67045), (2875, 49555), (2915, 48875), (4301, 33125), (4505, 31625), (4675, 30475), (6095, 23375), (6325, 22525), (6625, 21505), (6875, 20723), (9775, 14575), (9911, 14375), (10625, 13409)]