242282920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 629856000

約数和(自身を除く): 387573080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 89, 92, 110, 115, 178, 184, 220, 230, 253, 269, 356, 440, 445, 460, 506, 538, 712, 890, 920, 979, 1012, 1076, 1265, 1345, 1780, 1958, 2024, 2047, 2152, 2530, 2690, 2959, 3560, 3916, 4094, 4895, 5060, 5380, 5918, 6187, 7832, 8188, 9790, 10120, 10235, 10760, 11836, 12374, 14795, 16376, 19580, 20470, 22517, 23672, 23941, 24748, 29590, 30935, 39160, 40940, 45034, 47882, 49496, 59180, 61870, 68057, 81880, 90068, 95764, 112585, 118360, 119705, 123740, 136114, 180136, 191528, 225170, 239410, 247480, 263351, 272228, 340285, 450340, 478820, 526702, 544456, 550643, 680570, 900680, 957640, 1053404, 1101286, 1316755, 1361140, 2106808, 2202572, 2633510, 2722280, 2753215, 4405144, 5267020, 5506430, 6057073, 10534040, 11012860, 12114146, 22025720, 24228292, 30285365, 48456584, 60570730, 121141460, 242282920]

約数ペア:

[(1, 242282920), (2, 121141460), (4, 60570730), (5, 48456584), (8, 30285365), (10, 24228292), (11, 22025720), (20, 12114146), (22, 11012860), (23, 10534040), (40, 6057073), (44, 5506430), (46, 5267020), (55, 4405144), (88, 2753215), (89, 2722280), (92, 2633510), (110, 2202572), (115, 2106808), (178, 1361140), (184, 1316755), (220, 1101286), (230, 1053404), (253, 957640), (269, 900680), (356, 680570), (440, 550643), (445, 544456), (460, 526702), (506, 478820), (538, 450340), (712, 340285), (890, 272228), (920, 263351), (979, 247480), (1012, 239410), (1076, 225170), (1265, 191528), (1345, 180136), (1780, 136114), (1958, 123740), (2024, 119705), (2047, 118360), (2152, 112585), (2530, 95764), (2690, 90068), (2959, 81880), (3560, 68057), (3916, 61870), (4094, 59180), (4895, 49496), (5060, 47882), (5380, 45034), (5918, 40940), (6187, 39160), (7832, 30935), (8188, 29590), (9790, 24748), (10120, 23941), (10235, 23672), (10760, 22517), (11836, 20470), (12374, 19580), (14795, 16376)]