28628810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 61931520

約数和(自身を除く): 33302710

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 79, 155, 158, 167, 217, 310, 334, 395, 434, 553, 790, 835, 1085, 1106, 1169, 1670, 2170, 2338, 2449, 2765, 4898, 5177, 5530, 5845, 10354, 11690, 12245, 13193, 17143, 24490, 25885, 26386, 34286, 36239, 51770, 65965, 72478, 85715, 92351, 131930, 171430, 181195, 184702, 362390, 408983, 461755, 817966, 923510, 2044915, 2862881, 4089830, 5725762, 14314405, 28628810]

約数ペア:

[(1, 28628810), (2, 14314405), (5, 5725762), (7, 4089830), (10, 2862881), (14, 2044915), (31, 923510), (35, 817966), (62, 461755), (70, 408983), (79, 362390), (155, 184702), (158, 181195), (167, 171430), (217, 131930), (310, 92351), (334, 85715), (395, 72478), (434, 65965), (553, 51770), (790, 36239), (835, 34286), (1085, 26386), (1106, 25885), (1169, 24490), (1670, 17143), (2170, 13193), (2338, 12245), (2449, 11690), (2765, 10354), (4898, 5845), (5177, 5530)]