42740210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:707

約数の個数: 48

約数和(自身を含む): 85409856

約数和(自身を除く): 42669646

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 289, 391, 578, 643, 782, 1286, 1445, 1955, 2890, 3215, 3910, 6430, 6647, 10931, 13294, 14789, 21862, 29578, 33235, 54655, 66470, 73945, 109310, 147890, 185827, 251413, 371654, 502826, 929135, 1257065, 1858270, 2514130, 4274021, 8548042, 21370105, 42740210]

約数ペア:

[(1, 42740210), (2, 21370105), (5, 8548042), (10, 4274021), (17, 2514130), (23, 1858270), (34, 1257065), (46, 929135), (85, 502826), (115, 371654), (170, 251413), (230, 185827), (289, 147890), (391, 109310), (578, 73945), (643, 66470), (782, 54655), (1286, 33235), (1445, 29578), (1955, 21862), (2890, 14789), (3215, 13294), (3910, 10931), (6430, 6647)]