229236280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:989

約数の個数: 128

約数和(自身を含む): 644474880

約数和(自身を除く): 415238600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 182, 260, 280, 284, 355, 364, 455, 497, 520, 568, 710, 728, 887, 910, 923, 994, 1420, 1774, 1820, 1846, 1988, 2485, 2840, 3548, 3640, 3692, 3976, 4435, 4615, 4970, 6209, 6461, 7096, 7384, 8870, 9230, 9940, 11531, 12418, 12922, 17740, 18460, 19880, 23062, 24836, 25844, 31045, 32305, 35480, 36920, 46124, 49672, 51688, 57655, 62090, 62977, 64610, 80717, 92248, 115310, 124180, 125954, 129220, 161434, 230620, 248360, 251908, 258440, 314885, 322868, 403585, 440839, 461240, 503816, 629770, 645736, 807170, 818701, 881678, 1259540, 1614340, 1637402, 1763356, 2204195, 2519080, 3228680, 3274804, 3526712, 4093505, 4408390, 5730907, 6549608, 8187010, 8816780, 11461814, 16374020, 17633560, 22923628, 28654535, 32748040, 45847256, 57309070, 114618140, 229236280]

約数ペア:

[(1, 229236280), (2, 114618140), (4, 57309070), (5, 45847256), (7, 32748040), (8, 28654535), (10, 22923628), (13, 17633560), (14, 16374020), (20, 11461814), (26, 8816780), (28, 8187010), (35, 6549608), (40, 5730907), (52, 4408390), (56, 4093505), (65, 3526712), (70, 3274804), (71, 3228680), (91, 2519080), (104, 2204195), (130, 1763356), (140, 1637402), (142, 1614340), (182, 1259540), (260, 881678), (280, 818701), (284, 807170), (355, 645736), (364, 629770), (455, 503816), (497, 461240), (520, 440839), (568, 403585), (710, 322868), (728, 314885), (887, 258440), (910, 251908), (923, 248360), (994, 230620), (1420, 161434), (1774, 129220), (1820, 125954), (1846, 124180), (1988, 115310), (2485, 92248), (2840, 80717), (3548, 64610), (3640, 62977), (3692, 62090), (3976, 57655), (4435, 51688), (4615, 49672), (4970, 46124), (6209, 36920), (6461, 35480), (7096, 32305), (7384, 31045), (8870, 25844), (9230, 24836), (9940, 23062), (11531, 19880), (12418, 18460), (12922, 17740)]