205384300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 529966080

約数和(自身を除く): 324581780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 31, 38, 44, 50, 55, 62, 76, 95, 100, 110, 124, 155, 190, 209, 220, 275, 310, 317, 341, 380, 418, 475, 550, 589, 620, 634, 682, 775, 836, 950, 1045, 1100, 1178, 1268, 1364, 1550, 1585, 1705, 1900, 2090, 2356, 2945, 3100, 3170, 3410, 3487, 4180, 5225, 5890, 6023, 6340, 6479, 6820, 6974, 7925, 8525, 9827, 10450, 11780, 12046, 12958, 13948, 14725, 15850, 17050, 17435, 19654, 20900, 24092, 25916, 29450, 30115, 31700, 32395, 34100, 34870, 39308, 49135, 58900, 60230, 64790, 66253, 69740, 87175, 98270, 108097, 120460, 129580, 132506, 150575, 161975, 174350, 186713, 196540, 216194, 245675, 265012, 301150, 323950, 331265, 348700, 373426, 432388, 491350, 540485, 602300, 647900, 662530, 746852, 933565, 982700, 1080970, 1325060, 1656325, 1867130, 2053843, 2161940, 2702425, 3312650, 3734260, 4107686, 4667825, 5404850, 6625300, 8215372, 9335650, 10269215, 10809700, 18671300, 20538430, 41076860, 51346075, 102692150, 205384300]

約数ペア:

[(1, 205384300), (2, 102692150), (4, 51346075), (5, 41076860), (10, 20538430), (11, 18671300), (19, 10809700), (20, 10269215), (22, 9335650), (25, 8215372), (31, 6625300), (38, 5404850), (44, 4667825), (50, 4107686), (55, 3734260), (62, 3312650), (76, 2702425), (95, 2161940), (100, 2053843), (110, 1867130), (124, 1656325), (155, 1325060), (190, 1080970), (209, 982700), (220, 933565), (275, 746852), (310, 662530), (317, 647900), (341, 602300), (380, 540485), (418, 491350), (475, 432388), (550, 373426), (589, 348700), (620, 331265), (634, 323950), (682, 301150), (775, 265012), (836, 245675), (950, 216194), (1045, 196540), (1100, 186713), (1178, 174350), (1268, 161975), (1364, 150575), (1550, 132506), (1585, 129580), (1705, 120460), (1900, 108097), (2090, 98270), (2356, 87175), (2945, 69740), (3100, 66253), (3170, 64790), (3410, 60230), (3487, 58900), (4180, 49135), (5225, 39308), (5890, 34870), (6023, 34100), (6340, 32395), (6479, 31700), (6820, 30115), (6974, 29450), (7925, 25916), (8525, 24092), (9827, 20900), (10450, 19654), (11780, 17435), (12046, 17050), (12958, 15850), (13948, 14725)]