2145666675

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^3\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 3871141120

約数和(自身を除く): 1725474445

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 97, 129, 215, 285, 291, 361, 475, 485, 645, 817, 1075, 1083, 1425, 1455, 1805, 1843, 2425, 2451, 3225, 4085, 4171, 5415, 5529, 6859, 7275, 9025, 9215, 12255, 12513, 15523, 20425, 20577, 20855, 27075, 27645, 34295, 35017, 46075, 46569, 61275, 62565, 77615, 79249, 102885, 104275, 105051, 138225, 171475, 175085, 232845, 237747, 294937, 312825, 388075, 396245, 514425, 525255, 665323, 875425, 884811, 1164225, 1188735, 1474685, 1505731, 1981225, 1995969, 2626275, 3326615, 4424055, 4517193, 5943675, 7373425, 7528655, 9979845, 16633075, 22120275, 22585965, 28608889, 37643275, 49899225, 85826667, 112929825, 143044445, 429133335, 715222225, 2145666675]

約数ペア:

[(1, 2145666675), (3, 715222225), (5, 429133335), (15, 143044445), (19, 112929825), (25, 85826667), (43, 49899225), (57, 37643275), (75, 28608889), (95, 22585965), (97, 22120275), (129, 16633075), (215, 9979845), (285, 7528655), (291, 7373425), (361, 5943675), (475, 4517193), (485, 4424055), (645, 3326615), (817, 2626275), (1075, 1995969), (1083, 1981225), (1425, 1505731), (1455, 1474685), (1805, 1188735), (1843, 1164225), (2425, 884811), (2451, 875425), (3225, 665323), (4085, 525255), (4171, 514425), (5415, 396245), (5529, 388075), (6859, 312825), (7275, 294937), (9025, 237747), (9215, 232845), (12255, 175085), (12513, 171475), (15523, 138225), (20425, 105051), (20577, 104275), (20855, 102885), (27075, 79249), (27645, 77615), (34295, 62565), (35017, 61275), (46075, 46569)]