20180490900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{208261}}^1$

素因数の和:208314

約数の個数: 144

約数和(自身を含む): 65077709760

約数和(自身を除く): 44897218860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 25, 30, 34, 38, 50, 51, 57, 60, 68, 75, 76, 85, 95, 100, 102, 114, 150, 170, 190, 204, 228, 255, 285, 300, 323, 340, 380, 425, 475, 510, 570, 646, 850, 950, 969, 1020, 1140, 1275, 1292, 1425, 1615, 1700, 1900, 1938, 2550, 2850, 3230, 3876, 4845, 5100, 5700, 6460, 8075, 9690, 16150, 19380, 24225, 32300, 48450, 96900, 208261, 416522, 624783, 833044, 1041305, 1249566, 2082610, 2499132, 3123915, 3540437, 3956959, 4165220, 5206525, 6247830, 7080874, 7913918, 10413050, 10621311, 11870877, 12495660, 14161748, 15619575, 15827836, 17702185, 19784795, 20826100, 21242622, 23741754, 31239150, 35404370, 39569590, 42485244, 47483508, 53106555, 59354385, 62478300, 67268303, 70808740, 79139180, 88510925, 98923975, 106213110, 118708770, 134536606, 177021850, 197847950, 201804909, 212426220, 237417540, 265532775, 269073212, 296771925, 336341515, 354043700, 395695900, 403609818, 531065550, 593543850, 672683030, 807219636, 1009024545, 1062131100, 1187087700, 1345366060, 1681707575, 2018049090, 3363415150, 4036098180, 5045122725, 6726830300, 10090245450, 20180490900]

約数ペア:

[(1, 20180490900), (2, 10090245450), (3, 6726830300), (4, 5045122725), (5, 4036098180), (6, 3363415150), (10, 2018049090), (12, 1681707575), (15, 1345366060), (17, 1187087700), (19, 1062131100), (20, 1009024545), (25, 807219636), (30, 672683030), (34, 593543850), (38, 531065550), (50, 403609818), (51, 395695900), (57, 354043700), (60, 336341515), (68, 296771925), (75, 269073212), (76, 265532775), (85, 237417540), (95, 212426220), (100, 201804909), (102, 197847950), (114, 177021850), (150, 134536606), (170, 118708770), (190, 106213110), (204, 98923975), (228, 88510925), (255, 79139180), (285, 70808740), (300, 67268303), (323, 62478300), (340, 59354385), (380, 53106555), (425, 47483508), (475, 42485244), (510, 39569590), (570, 35404370), (646, 31239150), (850, 23741754), (950, 21242622), (969, 20826100), (1020, 19784795), (1140, 17702185), (1275, 15827836), (1292, 15619575), (1425, 14161748), (1615, 12495660), (1700, 11870877), (1900, 10621311), (1938, 10413050), (2550, 7913918), (2850, 7080874), (3230, 6247830), (3876, 5206525), (4845, 4165220), (5100, 3956959), (5700, 3540437), (6460, 3123915), (8075, 2499132), (9690, 2082610), (16150, 1249566), (19380, 1041305), (24225, 833044), (32300, 624783), (48450, 416522), (96900, 208261)]