90353890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 188116992

約数和(自身を除く): 97763102

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 71, 110, 115, 142, 230, 253, 355, 503, 506, 710, 781, 1006, 1265, 1562, 1633, 2515, 2530, 3266, 3905, 5030, 5533, 7810, 8165, 11066, 11569, 16330, 17963, 23138, 27665, 35713, 35926, 55330, 57845, 71426, 89815, 115690, 127259, 178565, 179630, 254518, 357130, 392843, 636295, 785686, 821399, 1272590, 1642798, 1964215, 3928430, 4106995, 8213990, 9035389, 18070778, 45176945, 90353890]

約数ペア:

[(1, 90353890), (2, 45176945), (5, 18070778), (10, 9035389), (11, 8213990), (22, 4106995), (23, 3928430), (46, 1964215), (55, 1642798), (71, 1272590), (110, 821399), (115, 785686), (142, 636295), (230, 392843), (253, 357130), (355, 254518), (503, 179630), (506, 178565), (710, 127259), (781, 115690), (1006, 89815), (1265, 71426), (1562, 57845), (1633, 55330), (2515, 35926), (2530, 35713), (3266, 27665), (3905, 23138), (5030, 17963), (5533, 16330), (7810, 11569), (8165, 11066)]