622838020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 1588371120

約数和(自身を除く): 965533100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 89, 98, 140, 148, 178, 185, 193, 196, 245, 259, 356, 370, 386, 445, 490, 518, 623, 740, 772, 890, 965, 980, 1036, 1246, 1295, 1351, 1780, 1813, 1930, 2492, 2590, 2702, 3115, 3293, 3626, 3860, 4361, 5180, 5404, 6230, 6586, 6755, 7141, 7252, 8722, 9065, 9457, 12460, 13172, 13510, 14282, 16465, 17177, 17444, 18130, 18914, 21805, 23051, 27020, 28564, 32930, 34354, 35705, 36260, 37828, 43610, 46102, 47285, 49987, 65860, 68708, 71410, 85885, 87220, 92204, 94570, 99974, 115255, 120239, 142820, 161357, 171770, 189140, 199948, 230510, 240478, 249935, 322714, 343540, 349909, 461020, 480956, 499870, 601195, 635549, 645428, 699818, 806785, 841673, 999740, 1202390, 1271098, 1399636, 1613570, 1683346, 1749545, 2404780, 2542196, 3177745, 3227140, 3366692, 3499090, 4208365, 4448843, 6355490, 6998180, 8416730, 8897686, 12710980, 16833460, 17795372, 22244215, 31141901, 44488430, 62283802, 88976860, 124567604, 155709505, 311419010, 622838020]

約数ペア:

[(1, 622838020), (2, 311419010), (4, 155709505), (5, 124567604), (7, 88976860), (10, 62283802), (14, 44488430), (20, 31141901), (28, 22244215), (35, 17795372), (37, 16833460), (49, 12710980), (70, 8897686), (74, 8416730), (89, 6998180), (98, 6355490), (140, 4448843), (148, 4208365), (178, 3499090), (185, 3366692), (193, 3227140), (196, 3177745), (245, 2542196), (259, 2404780), (356, 1749545), (370, 1683346), (386, 1613570), (445, 1399636), (490, 1271098), (518, 1202390), (623, 999740), (740, 841673), (772, 806785), (890, 699818), (965, 645428), (980, 635549), (1036, 601195), (1246, 499870), (1295, 480956), (1351, 461020), (1780, 349909), (1813, 343540), (1930, 322714), (2492, 249935), (2590, 240478), (2702, 230510), (3115, 199948), (3293, 189140), (3626, 171770), (3860, 161357), (4361, 142820), (5180, 120239), (5404, 115255), (6230, 99974), (6586, 94570), (6755, 92204), (7141, 87220), (7252, 85885), (8722, 71410), (9065, 68708), (9457, 65860), (12460, 49987), (13172, 47285), (13510, 46102), (14282, 43610), (16465, 37828), (17177, 36260), (17444, 35705), (18130, 34354), (18914, 32930), (21805, 28564), (23051, 27020)]