2179966000

素因数分解:

$2^4\times 5^3\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:480

約数の個数: 160

約数和(自身を含む): 5490987840

約数和(自身を除く): 3311021840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 89, 100, 125, 148, 178, 185, 200, 250, 296, 331, 356, 370, 400, 445, 500, 592, 662, 712, 740, 890, 925, 1000, 1324, 1424, 1480, 1655, 1780, 1850, 2000, 2225, 2648, 2960, 3293, 3310, 3560, 3700, 4450, 4625, 5296, 6586, 6620, 7120, 7400, 8275, 8900, 9250, 11125, 12247, 13172, 13240, 14800, 16465, 16550, 17800, 18500, 22250, 24494, 26344, 26480, 29459, 32930, 33100, 35600, 37000, 41375, 44500, 48988, 52688, 58918, 61235, 65860, 66200, 74000, 82325, 82750, 89000, 97976, 117836, 122470, 131720, 132400, 147295, 164650, 165500, 178000, 195952, 235672, 244940, 263440, 294590, 306175, 329300, 331000, 411625, 471344, 489880, 589180, 612350, 658600, 662000, 736475, 823250, 979760, 1089983, 1178360, 1224700, 1317200, 1472950, 1530875, 1646500, 2179966, 2356720, 2449400, 2945900, 3061750, 3293000, 3682375, 4359932, 4898800, 5449915, 5891800, 6123500, 6586000, 7364750, 8719864, 10899830, 11783600, 12247000, 14729500, 17439728, 21799660, 24494000, 27249575, 29459000, 43599320, 54499150, 58918000, 87198640, 108998300, 136247875, 217996600, 272495750, 435993200, 544991500, 1089983000, 2179966000]

約数ペア:

[(1, 2179966000), (2, 1089983000), (4, 544991500), (5, 435993200), (8, 272495750), (10, 217996600), (16, 136247875), (20, 108998300), (25, 87198640), (37, 58918000), (40, 54499150), (50, 43599320), (74, 29459000), (80, 27249575), (89, 24494000), (100, 21799660), (125, 17439728), (148, 14729500), (178, 12247000), (185, 11783600), (200, 10899830), (250, 8719864), (296, 7364750), (331, 6586000), (356, 6123500), (370, 5891800), (400, 5449915), (445, 4898800), (500, 4359932), (592, 3682375), (662, 3293000), (712, 3061750), (740, 2945900), (890, 2449400), (925, 2356720), (1000, 2179966), (1324, 1646500), (1424, 1530875), (1480, 1472950), (1655, 1317200), (1780, 1224700), (1850, 1178360), (2000, 1089983), (2225, 979760), (2648, 823250), (2960, 736475), (3293, 662000), (3310, 658600), (3560, 612350), (3700, 589180), (4450, 489880), (4625, 471344), (5296, 411625), (6586, 331000), (6620, 329300), (7120, 306175), (7400, 294590), (8275, 263440), (8900, 244940), (9250, 235672), (11125, 195952), (12247, 178000), (13172, 165500), (13240, 164650), (14800, 147295), (16465, 132400), (16550, 131720), (17800, 122470), (18500, 117836), (22250, 97976), (24494, 89000), (26344, 82750), (26480, 82325), (29459, 74000), (32930, 66200), (33100, 65860), (35600, 61235), (37000, 58918), (41375, 52688), (44500, 48988)]