400152390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{52721}}^1$

素因数の和:52765

約数の個数: 64

約数和(自身を含む): 1093243392

約数和(自身を除く): 693091002

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 138, 165, 230, 253, 330, 345, 506, 690, 759, 1265, 1518, 2530, 3795, 7590, 52721, 105442, 158163, 263605, 316326, 527210, 579931, 790815, 1159862, 1212583, 1581630, 1739793, 2425166, 2899655, 3479586, 3637749, 5799310, 6062915, 7275498, 8698965, 12125830, 13338413, 17397930, 18188745, 26676826, 36377490, 40015239, 66692065, 80030478, 133384130, 200076195, 400152390]

約数ペア:

[(1, 400152390), (2, 200076195), (3, 133384130), (5, 80030478), (6, 66692065), (10, 40015239), (11, 36377490), (15, 26676826), (22, 18188745), (23, 17397930), (30, 13338413), (33, 12125830), (46, 8698965), (55, 7275498), (66, 6062915), (69, 5799310), (110, 3637749), (115, 3479586), (138, 2899655), (165, 2425166), (230, 1739793), (253, 1581630), (330, 1212583), (345, 1159862), (506, 790815), (690, 579931), (759, 527210), (1265, 316326), (1518, 263605), (2530, 158163), (3795, 105442), (7590, 52721)]