1285291310

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{142969}}^1$

素因数の和:143036

約数の個数: 32

約数和(自身を含む): 2470521600

約数和(自身を除く): 1185230290

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 4495, 8990, 142969, 285938, 714845, 1429690, 4146101, 4432039, 8292202, 8864078, 20730505, 22160195, 41461010, 44320390, 128529131, 257058262, 642645655, 1285291310]

約数ペア:

[(1, 1285291310), (2, 642645655), (5, 257058262), (10, 128529131), (29, 44320390), (31, 41461010), (58, 22160195), (62, 20730505), (145, 8864078), (155, 8292202), (290, 4432039), (310, 4146101), (899, 1429690), (1798, 714845), (4495, 285938), (8990, 142969)]