289399260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:512

約数の個数: 144

約数和(自身を含む): 884846592

約数和(自身を除く): 595447332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 361, 372, 380, 431, 465, 570, 589, 620, 722, 862, 930, 1083, 1140, 1178, 1293, 1444, 1724, 1767, 1805, 1860, 2155, 2166, 2356, 2586, 2945, 3534, 3610, 4310, 4332, 5172, 5415, 5890, 6465, 7068, 7220, 8189, 8620, 8835, 10830, 11191, 11780, 12930, 13361, 16378, 17670, 21660, 22382, 24567, 25860, 26722, 32756, 33573, 35340, 40083, 40945, 44764, 49134, 53444, 55955, 66805, 67146, 80166, 81890, 98268, 111910, 122835, 133610, 134292, 155591, 160332, 163780, 167865, 200415, 223820, 245670, 253859, 267220, 311182, 335730, 400830, 466773, 491340, 507718, 622364, 671460, 761577, 777955, 801660, 933546, 1015436, 1269295, 1523154, 1555910, 1867092, 2333865, 2538590, 3046308, 3111820, 3807885, 4667730, 4823321, 5077180, 7615770, 9335460, 9646642, 14469963, 15231540, 19293284, 24116605, 28939926, 48233210, 57879852, 72349815, 96466420, 144699630, 289399260]

約数ペア:

[(1, 289399260), (2, 144699630), (3, 96466420), (4, 72349815), (5, 57879852), (6, 48233210), (10, 28939926), (12, 24116605), (15, 19293284), (19, 15231540), (20, 14469963), (30, 9646642), (31, 9335460), (38, 7615770), (57, 5077180), (60, 4823321), (62, 4667730), (76, 3807885), (93, 3111820), (95, 3046308), (114, 2538590), (124, 2333865), (155, 1867092), (186, 1555910), (190, 1523154), (228, 1269295), (285, 1015436), (310, 933546), (361, 801660), (372, 777955), (380, 761577), (431, 671460), (465, 622364), (570, 507718), (589, 491340), (620, 466773), (722, 400830), (862, 335730), (930, 311182), (1083, 267220), (1140, 253859), (1178, 245670), (1293, 223820), (1444, 200415), (1724, 167865), (1767, 163780), (1805, 160332), (1860, 155591), (2155, 134292), (2166, 133610), (2356, 122835), (2586, 111910), (2945, 98268), (3534, 81890), (3610, 80166), (4310, 67146), (4332, 66805), (5172, 55955), (5415, 53444), (5890, 49134), (6465, 44764), (7068, 40945), (7220, 40083), (8189, 35340), (8620, 33573), (8835, 32756), (10830, 26722), (11191, 25860), (11780, 24567), (12930, 22382), (13361, 21660), (16378, 17670)]