291270390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9817}}^1$

素因数の和:9893

約数の個数: 64

約数和(自身を含む): 746482176

約数和(自身を除く): 455211786

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 69, 86, 115, 129, 138, 215, 230, 258, 345, 430, 645, 690, 989, 1290, 1978, 2967, 4945, 5934, 9817, 9890, 14835, 19634, 29451, 29670, 49085, 58902, 98170, 147255, 225791, 294510, 422131, 451582, 677373, 844262, 1128955, 1266393, 1354746, 2110655, 2257910, 2532786, 3386865, 4221310, 6331965, 6773730, 9709013, 12663930, 19418026, 29127039, 48545065, 58254078, 97090130, 145635195, 291270390]

約数ペア:

[(1, 291270390), (2, 145635195), (3, 97090130), (5, 58254078), (6, 48545065), (10, 29127039), (15, 19418026), (23, 12663930), (30, 9709013), (43, 6773730), (46, 6331965), (69, 4221310), (86, 3386865), (115, 2532786), (129, 2257910), (138, 2110655), (215, 1354746), (230, 1266393), (258, 1128955), (345, 844262), (430, 677373), (645, 451582), (690, 422131), (989, 294510), (1290, 225791), (1978, 147255), (2967, 98170), (4945, 58902), (5934, 49085), (9817, 29670), (9890, 29451), (14835, 19634)]