8465380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 23224320

約数和(自身を除く): 14758940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 140, 154, 161, 220, 230, 239, 253, 308, 322, 385, 460, 478, 506, 644, 770, 805, 956, 1012, 1195, 1265, 1540, 1610, 1673, 1771, 2390, 2530, 2629, 3220, 3346, 3542, 4780, 5060, 5258, 5497, 6692, 7084, 8365, 8855, 10516, 10994, 13145, 16730, 17710, 18403, 21988, 26290, 27485, 33460, 35420, 36806, 38479, 52580, 54970, 60467, 73612, 76958, 92015, 109940, 120934, 153916, 184030, 192395, 241868, 302335, 368060, 384790, 423269, 604670, 769580, 846538, 1209340, 1693076, 2116345, 4232690, 8465380]

約数ペア:

[(1, 8465380), (2, 4232690), (4, 2116345), (5, 1693076), (7, 1209340), (10, 846538), (11, 769580), (14, 604670), (20, 423269), (22, 384790), (23, 368060), (28, 302335), (35, 241868), (44, 192395), (46, 184030), (55, 153916), (70, 120934), (77, 109940), (92, 92015), (110, 76958), (115, 73612), (140, 60467), (154, 54970), (161, 52580), (220, 38479), (230, 36806), (239, 35420), (253, 33460), (308, 27485), (322, 26290), (385, 21988), (460, 18403), (478, 17710), (506, 16730), (644, 13145), (770, 10994), (805, 10516), (956, 8855), (1012, 8365), (1195, 7084), (1265, 6692), (1540, 5497), (1610, 5258), (1673, 5060), (1771, 4780), (2390, 3542), (2530, 3346), (2629, 3220)]