18404926300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1\times {\mathrm{307}}^1$

素因数の和:668

約数の個数: 144

約数和(自身を含む): 42039309312

約数和(自身を除く): 23634383012

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 83, 100, 124, 155, 166, 233, 307, 310, 332, 415, 466, 614, 620, 775, 830, 932, 1165, 1228, 1535, 1550, 1660, 2075, 2330, 2573, 3070, 3100, 4150, 4660, 5146, 5825, 6140, 7223, 7675, 8300, 9517, 10292, 11650, 12865, 14446, 15350, 19034, 19339, 23300, 25481, 25730, 28892, 30700, 36115, 38068, 38678, 47585, 50962, 51460, 64325, 71531, 72230, 77356, 95170, 96695, 101924, 127405, 128650, 143062, 144460, 180575, 190340, 193390, 237925, 254810, 257300, 286124, 357655, 361150, 386780, 475850, 483475, 509620, 599509, 637025, 715310, 722300, 789911, 951700, 966950, 1199018, 1274050, 1430620, 1579822, 1788275, 1933900, 2217461, 2398036, 2548100, 2997545, 3159644, 3576550, 3949555, 4434922, 5937073, 5995090, 7153100, 7899110, 8869844, 11087305, 11874146, 11990180, 14987725, 15798220, 19747775, 22174610, 23748292, 29685365, 29975450, 39495550, 44349220, 55436525, 59370730, 59950900, 78991100, 110873050, 118741460, 148426825, 184049263, 221746100, 296853650, 368098526, 593707300, 736197052, 920246315, 1840492630, 3680985260, 4601231575, 9202463150, 18404926300]

約数ペア:

[(1, 18404926300), (2, 9202463150), (4, 4601231575), (5, 3680985260), (10, 1840492630), (20, 920246315), (25, 736197052), (31, 593707300), (50, 368098526), (62, 296853650), (83, 221746100), (100, 184049263), (124, 148426825), (155, 118741460), (166, 110873050), (233, 78991100), (307, 59950900), (310, 59370730), (332, 55436525), (415, 44349220), (466, 39495550), (614, 29975450), (620, 29685365), (775, 23748292), (830, 22174610), (932, 19747775), (1165, 15798220), (1228, 14987725), (1535, 11990180), (1550, 11874146), (1660, 11087305), (2075, 8869844), (2330, 7899110), (2573, 7153100), (3070, 5995090), (3100, 5937073), (4150, 4434922), (4660, 3949555), (5146, 3576550), (5825, 3159644), (6140, 2997545), (7223, 2548100), (7675, 2398036), (8300, 2217461), (9517, 1933900), (10292, 1788275), (11650, 1579822), (12865, 1430620), (14446, 1274050), (15350, 1199018), (19034, 966950), (19339, 951700), (23300, 789911), (25481, 722300), (25730, 715310), (28892, 637025), (30700, 599509), (36115, 509620), (38068, 483475), (38678, 475850), (47585, 386780), (50962, 361150), (51460, 357655), (64325, 286124), (71531, 257300), (72230, 254810), (77356, 237925), (95170, 193390), (96695, 190340), (101924, 180575), (127405, 144460), (128650, 143062)]