30679100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 70308000

約数和(自身を除く): 39628900

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 71, 100, 116, 142, 145, 149, 284, 290, 298, 355, 580, 596, 710, 725, 745, 1420, 1450, 1490, 1775, 2059, 2900, 2980, 3550, 3725, 4118, 4321, 7100, 7450, 8236, 8642, 10295, 10579, 14900, 17284, 20590, 21158, 21605, 41180, 42316, 43210, 51475, 52895, 86420, 102950, 105790, 108025, 205900, 211580, 216050, 264475, 306791, 432100, 528950, 613582, 1057900, 1227164, 1533955, 3067910, 6135820, 7669775, 15339550, 30679100]

約数ペア:

[(1, 30679100), (2, 15339550), (4, 7669775), (5, 6135820), (10, 3067910), (20, 1533955), (25, 1227164), (29, 1057900), (50, 613582), (58, 528950), (71, 432100), (100, 306791), (116, 264475), (142, 216050), (145, 211580), (149, 205900), (284, 108025), (290, 105790), (298, 102950), (355, 86420), (580, 52895), (596, 51475), (710, 43210), (725, 42316), (745, 41180), (1420, 21605), (1450, 21158), (1490, 20590), (1775, 17284), (2059, 14900), (2900, 10579), (2980, 10295), (3550, 8642), (3725, 8236), (4118, 7450), (4321, 7100)]