19990335680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{307733}}^1$

素因数の和:307786

約数の個数: 112

約数和(自身を含む): 56278393920

約数和(自身を除く): 36288058240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 280, 290, 320, 406, 448, 464, 560, 580, 812, 928, 1015, 1120, 1160, 1624, 1856, 2030, 2240, 2320, 3248, 4060, 4640, 6496, 8120, 9280, 12992, 16240, 32480, 64960, 307733, 615466, 1230932, 1538665, 2154131, 2461864, 3077330, 4308262, 4923728, 6154660, 8616524, 8924257, 9847456, 10770655, 12309320, 17233048, 17848514, 19694912, 21541310, 24618640, 34466096, 35697028, 43082620, 44621285, 49237280, 62469799, 68932192, 71394056, 86165240, 89242570, 98474560, 124939598, 137864384, 142788112, 172330480, 178485140, 249879196, 285576224, 312348995, 344660960, 356970280, 499758392, 571152448, 624697990, 689321920, 713940560, 999516784, 1249395980, 1427881120, 1999033568, 2498791960, 2855762240, 3998067136, 4997583920, 9995167840, 19990335680]

約数ペア:

[(1, 19990335680), (2, 9995167840), (4, 4997583920), (5, 3998067136), (7, 2855762240), (8, 2498791960), (10, 1999033568), (14, 1427881120), (16, 1249395980), (20, 999516784), (28, 713940560), (29, 689321920), (32, 624697990), (35, 571152448), (40, 499758392), (56, 356970280), (58, 344660960), (64, 312348995), (70, 285576224), (80, 249879196), (112, 178485140), (116, 172330480), (140, 142788112), (145, 137864384), (160, 124939598), (203, 98474560), (224, 89242570), (232, 86165240), (280, 71394056), (290, 68932192), (320, 62469799), (406, 49237280), (448, 44621285), (464, 43082620), (560, 35697028), (580, 34466096), (812, 24618640), (928, 21541310), (1015, 19694912), (1120, 17848514), (1160, 17233048), (1624, 12309320), (1856, 10770655), (2030, 9847456), (2240, 8924257), (2320, 8616524), (3248, 6154660), (4060, 4923728), (4640, 4308262), (6496, 3077330), (8120, 2461864), (9280, 2154131), (12992, 1538665), (16240, 1230932), (32480, 615466), (64960, 307733)]