20191139950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{222247}}^1$

素因数の和:222361

約数の個数: 48

約数和(自身を含む): 39684602880

約数和(自身を除く): 19493462930

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 79, 115, 158, 230, 395, 575, 790, 1150, 1817, 1975, 3634, 3950, 9085, 18170, 45425, 90850, 222247, 444494, 1111235, 2222470, 5111681, 5556175, 10223362, 11112350, 17557513, 25558405, 35115026, 51116810, 87787565, 127792025, 175575130, 255584050, 403822799, 438937825, 807645598, 877875650, 2019113995, 4038227990, 10095569975, 20191139950]

約数ペア:

[(1, 20191139950), (2, 10095569975), (5, 4038227990), (10, 2019113995), (23, 877875650), (25, 807645598), (46, 438937825), (50, 403822799), (79, 255584050), (115, 175575130), (158, 127792025), (230, 87787565), (395, 51116810), (575, 35115026), (790, 25558405), (1150, 17557513), (1817, 11112350), (1975, 10223362), (3634, 5556175), (3950, 5111681), (9085, 2222470), (18170, 1111235), (45425, 444494), (90850, 222247)]