308777980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71147}}^1$

素因数の和:71194

約数の個数: 48

約数和(自身を含む): 764983296

約数和(自身を除く): 456205316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 71147, 142294, 284588, 355735, 498029, 711470, 996058, 1422940, 1992116, 2205557, 2490145, 4411114, 4980290, 8822228, 9960580, 11027785, 15438899, 22055570, 30877798, 44111140, 61755596, 77194495, 154388990, 308777980]

約数ペア:

[(1, 308777980), (2, 154388990), (4, 77194495), (5, 61755596), (7, 44111140), (10, 30877798), (14, 22055570), (20, 15438899), (28, 11027785), (31, 9960580), (35, 8822228), (62, 4980290), (70, 4411114), (124, 2490145), (140, 2205557), (155, 1992116), (217, 1422940), (310, 996058), (434, 711470), (620, 498029), (868, 355735), (1085, 284588), (2170, 142294), (4340, 71147)]