212678550

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{631}}^1$

素因数の和:763

約数の個数: 144

約数和(自身を含む): 660172032

約数和(自身を除く): 447493482

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 107, 126, 150, 175, 210, 214, 225, 315, 321, 350, 450, 525, 535, 630, 631, 642, 749, 963, 1050, 1070, 1262, 1498, 1575, 1605, 1893, 1926, 2247, 2675, 3150, 3155, 3210, 3745, 3786, 4417, 4494, 4815, 5350, 5679, 6310, 6741, 7490, 8025, 8834, 9465, 9630, 11235, 11358, 13251, 13482, 15775, 16050, 18725, 18930, 22085, 22470, 24075, 26502, 28395, 31550, 33705, 37450, 39753, 44170, 47325, 48150, 56175, 56790, 66255, 67410, 67517, 79506, 94650, 110425, 112350, 132510, 135034, 141975, 168525, 198765, 202551, 220850, 283950, 331275, 337050, 337585, 397530, 405102, 472619, 607653, 662550, 675170, 945238, 993825, 1012755, 1215306, 1417857, 1687925, 1987650, 2025510, 2363095, 2835714, 3038265, 3375850, 4253571, 4726190, 5063775, 6076530, 7089285, 8507142, 10127550, 11815475, 14178570, 15191325, 21267855, 23630950, 30382650, 35446425, 42535710, 70892850, 106339275, 212678550]

約数ペア:

[(1, 212678550), (2, 106339275), (3, 70892850), (5, 42535710), (6, 35446425), (7, 30382650), (9, 23630950), (10, 21267855), (14, 15191325), (15, 14178570), (18, 11815475), (21, 10127550), (25, 8507142), (30, 7089285), (35, 6076530), (42, 5063775), (45, 4726190), (50, 4253571), (63, 3375850), (70, 3038265), (75, 2835714), (90, 2363095), (105, 2025510), (107, 1987650), (126, 1687925), (150, 1417857), (175, 1215306), (210, 1012755), (214, 993825), (225, 945238), (315, 675170), (321, 662550), (350, 607653), (450, 472619), (525, 405102), (535, 397530), (630, 337585), (631, 337050), (642, 331275), (749, 283950), (963, 220850), (1050, 202551), (1070, 198765), (1262, 168525), (1498, 141975), (1575, 135034), (1605, 132510), (1893, 112350), (1926, 110425), (2247, 94650), (2675, 79506), (3150, 67517), (3155, 67410), (3210, 66255), (3745, 56790), (3786, 56175), (4417, 48150), (4494, 47325), (4815, 44170), (5350, 39753), (5679, 37450), (6310, 33705), (6741, 31550), (7490, 28395), (8025, 26502), (8834, 24075), (9465, 22470), (9630, 22085), (11235, 18930), (11358, 18725), (13251, 16050), (13482, 15775)]