201308990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{22543}}^1$

素因数の和:22616

約数の個数: 32

約数和(自身を含む): 389560320

約数和(自身を除く): 188251330

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 4465, 8930, 22543, 45086, 112715, 225430, 428317, 856634, 1059521, 2119042, 2141585, 4283170, 5297605, 10595210, 20130899, 40261798, 100654495, 201308990]

約数ペア:

[(1, 201308990), (2, 100654495), (5, 40261798), (10, 20130899), (19, 10595210), (38, 5297605), (47, 4283170), (94, 2141585), (95, 2119042), (190, 1059521), (235, 856634), (470, 428317), (893, 225430), (1786, 112715), (4465, 45086), (8930, 22543)]