251991090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5821}}^1$

素因数の和:5884

約数の個数: 96

約数和(自身を含む): 724769136

約数和(自身を除く): 472778046

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 37, 39, 45, 65, 74, 78, 90, 111, 117, 130, 185, 195, 222, 234, 333, 370, 390, 481, 555, 585, 666, 962, 1110, 1170, 1443, 1665, 2405, 2886, 3330, 4329, 4810, 5821, 7215, 8658, 11642, 14430, 17463, 21645, 29105, 34926, 43290, 52389, 58210, 75673, 87315, 104778, 151346, 174630, 215377, 227019, 261945, 378365, 430754, 454038, 523890, 646131, 681057, 756730, 1076885, 1135095, 1292262, 1362114, 1938393, 2153770, 2270190, 2799901, 3230655, 3405285, 3876786, 5599802, 6461310, 6810570, 8399703, 9691965, 13999505, 16799406, 19383930, 25199109, 27999010, 41998515, 50398218, 83997030, 125995545, 251991090]

約数ペア:

[(1, 251991090), (2, 125995545), (3, 83997030), (5, 50398218), (6, 41998515), (9, 27999010), (10, 25199109), (13, 19383930), (15, 16799406), (18, 13999505), (26, 9691965), (30, 8399703), (37, 6810570), (39, 6461310), (45, 5599802), (65, 3876786), (74, 3405285), (78, 3230655), (90, 2799901), (111, 2270190), (117, 2153770), (130, 1938393), (185, 1362114), (195, 1292262), (222, 1135095), (234, 1076885), (333, 756730), (370, 681057), (390, 646131), (481, 523890), (555, 454038), (585, 430754), (666, 378365), (962, 261945), (1110, 227019), (1170, 215377), (1443, 174630), (1665, 151346), (2405, 104778), (2886, 87315), (3330, 75673), (4329, 58210), (4810, 52389), (5821, 43290), (7215, 34926), (8658, 29105), (11642, 21645), (14430, 17463)]