19742225440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{41281}}^1$

素因数の和:41371

約数の個数: 144

約数和(自身を含む): 55146642264

約数和(自身を除く): 35404416824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 70, 80, 98, 112, 122, 140, 160, 196, 224, 244, 245, 280, 305, 392, 427, 488, 490, 560, 610, 784, 854, 976, 980, 1120, 1220, 1568, 1708, 1952, 1960, 2135, 2440, 2989, 3416, 3920, 4270, 4880, 5978, 6832, 7840, 8540, 9760, 11956, 13664, 14945, 17080, 23912, 29890, 34160, 41281, 47824, 59780, 68320, 82562, 95648, 119560, 165124, 206405, 239120, 288967, 330248, 412810, 478240, 577934, 660496, 825620, 1155868, 1320992, 1444835, 1651240, 2022769, 2311736, 2518141, 2889670, 3302480, 4045538, 4623472, 5036282, 5779340, 6604960, 8091076, 9246944, 10072564, 10113845, 11558680, 12590705, 16182152, 17626987, 20145128, 20227690, 23117360, 25181410, 32364304, 35253974, 40290256, 40455380, 46234720, 50362820, 64728608, 70507948, 80580512, 80910760, 88134935, 100725640, 123388909, 141015896, 161821520, 176269870, 201451280, 246777818, 282031792, 323643040, 352539740, 402902560, 493555636, 564063584, 616944545, 705079480, 987111272, 1233889090, 1410158960, 1974222544, 2467778180, 2820317920, 3948445088, 4935556360, 9871112720, 19742225440]

約数ペア:

[(1, 19742225440), (2, 9871112720), (4, 4935556360), (5, 3948445088), (7, 2820317920), (8, 2467778180), (10, 1974222544), (14, 1410158960), (16, 1233889090), (20, 987111272), (28, 705079480), (32, 616944545), (35, 564063584), (40, 493555636), (49, 402902560), (56, 352539740), (61, 323643040), (70, 282031792), (80, 246777818), (98, 201451280), (112, 176269870), (122, 161821520), (140, 141015896), (160, 123388909), (196, 100725640), (224, 88134935), (244, 80910760), (245, 80580512), (280, 70507948), (305, 64728608), (392, 50362820), (427, 46234720), (488, 40455380), (490, 40290256), (560, 35253974), (610, 32364304), (784, 25181410), (854, 23117360), (976, 20227690), (980, 20145128), (1120, 17626987), (1220, 16182152), (1568, 12590705), (1708, 11558680), (1952, 10113845), (1960, 10072564), (2135, 9246944), (2440, 8091076), (2989, 6604960), (3416, 5779340), (3920, 5036282), (4270, 4623472), (4880, 4045538), (5978, 3302480), (6832, 2889670), (7840, 2518141), (8540, 2311736), (9760, 2022769), (11956, 1651240), (13664, 1444835), (14945, 1320992), (17080, 1155868), (23912, 825620), (29890, 660496), (34160, 577934), (41281, 478240), (47824, 412810), (59780, 330248), (68320, 288967), (82562, 239120), (95648, 206405), (119560, 165124)]