28827210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 72253440

約数和(自身を除く): 43426230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 139, 155, 186, 223, 278, 310, 417, 446, 465, 669, 695, 834, 930, 1115, 1338, 1390, 2085, 2230, 3345, 4170, 4309, 6690, 6913, 8618, 12927, 13826, 20739, 21545, 25854, 30997, 34565, 41478, 43090, 61994, 64635, 69130, 92991, 103695, 129270, 154985, 185982, 207390, 309970, 464955, 929910, 960907, 1921814, 2882721, 4804535, 5765442, 9609070, 14413605, 28827210]

約数ペア:

[(1, 28827210), (2, 14413605), (3, 9609070), (5, 5765442), (6, 4804535), (10, 2882721), (15, 1921814), (30, 960907), (31, 929910), (62, 464955), (93, 309970), (139, 207390), (155, 185982), (186, 154985), (223, 129270), (278, 103695), (310, 92991), (417, 69130), (446, 64635), (465, 61994), (669, 43090), (695, 41478), (834, 34565), (930, 30997), (1115, 25854), (1338, 21545), (1390, 20739), (2085, 13826), (2230, 12927), (3345, 8618), (4170, 6913), (4309, 6690)]