774421840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{4289}}^1$

素因数の和:4400

約数の個数: 80

約数和(自身を含む): 1879946640

約数和(自身を除く): 1105524800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 61, 74, 80, 122, 148, 185, 244, 296, 305, 370, 488, 592, 610, 740, 976, 1220, 1480, 2257, 2440, 2960, 4289, 4514, 4880, 8578, 9028, 11285, 17156, 18056, 21445, 22570, 34312, 36112, 42890, 45140, 68624, 85780, 90280, 158693, 171560, 180560, 261629, 317386, 343120, 523258, 634772, 793465, 1046516, 1269544, 1308145, 1586930, 2093032, 2539088, 2616290, 3173860, 4186064, 5232580, 6347720, 9680273, 10465160, 12695440, 19360546, 20930320, 38721092, 48401365, 77442184, 96802730, 154884368, 193605460, 387210920, 774421840]

約数ペア:

[(1, 774421840), (2, 387210920), (4, 193605460), (5, 154884368), (8, 96802730), (10, 77442184), (16, 48401365), (20, 38721092), (37, 20930320), (40, 19360546), (61, 12695440), (74, 10465160), (80, 9680273), (122, 6347720), (148, 5232580), (185, 4186064), (244, 3173860), (296, 2616290), (305, 2539088), (370, 2093032), (488, 1586930), (592, 1308145), (610, 1269544), (740, 1046516), (976, 793465), (1220, 634772), (1480, 523258), (2257, 343120), (2440, 317386), (2960, 261629), (4289, 180560), (4514, 171560), (4880, 158693), (8578, 90280), (9028, 85780), (11285, 68624), (17156, 45140), (18056, 42890), (21445, 36112), (22570, 34312)]