199460830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 400619520

約数和(自身を除く): 201158690

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 139, 170, 230, 278, 367, 391, 695, 734, 782, 1390, 1835, 1955, 2363, 3197, 3670, 3910, 4726, 6239, 6394, 8441, 11815, 12478, 15985, 16882, 23630, 31195, 31970, 42205, 51013, 54349, 62390, 84410, 102026, 108698, 143497, 255065, 271745, 286994, 510130, 543490, 717485, 867221, 1173299, 1434970, 1734442, 2346598, 4336105, 5866495, 8672210, 11732990, 19946083, 39892166, 99730415, 199460830]

約数ペア:

[(1, 199460830), (2, 99730415), (5, 39892166), (10, 19946083), (17, 11732990), (23, 8672210), (34, 5866495), (46, 4336105), (85, 2346598), (115, 1734442), (139, 1434970), (170, 1173299), (230, 867221), (278, 717485), (367, 543490), (391, 510130), (695, 286994), (734, 271745), (782, 255065), (1390, 143497), (1835, 108698), (1955, 102026), (2363, 84410), (3197, 62390), (3670, 54349), (3910, 51013), (4726, 42205), (6239, 31970), (6394, 31195), (8441, 23630), (11815, 16882), (12478, 15985)]