254179900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8501}}^1$

素因数の和:8551

約数の個数: 72

約数和(自身を含む): 619897824

約数和(自身を除く): 365717924

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 50, 52, 65, 92, 100, 115, 130, 230, 260, 299, 325, 460, 575, 598, 650, 1150, 1196, 1300, 1495, 2300, 2990, 5980, 7475, 8501, 14950, 17002, 29900, 34004, 42505, 85010, 110513, 170020, 195523, 212525, 221026, 391046, 425050, 442052, 552565, 782092, 850100, 977615, 1105130, 1955230, 2210260, 2541799, 2762825, 3910460, 4888075, 5083598, 5525650, 9776150, 10167196, 11051300, 12708995, 19552300, 25417990, 50835980, 63544975, 127089950, 254179900]

約数ペア:

[(1, 254179900), (2, 127089950), (4, 63544975), (5, 50835980), (10, 25417990), (13, 19552300), (20, 12708995), (23, 11051300), (25, 10167196), (26, 9776150), (46, 5525650), (50, 5083598), (52, 4888075), (65, 3910460), (92, 2762825), (100, 2541799), (115, 2210260), (130, 1955230), (230, 1105130), (260, 977615), (299, 850100), (325, 782092), (460, 552565), (575, 442052), (598, 425050), (650, 391046), (1150, 221026), (1196, 212525), (1300, 195523), (1495, 170020), (2300, 110513), (2990, 85010), (5980, 42505), (7475, 34004), (8501, 29900), (14950, 17002)]