85488700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 219985920

約数和(自身を除く): 134497220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 31, 44, 46, 50, 55, 62, 92, 100, 109, 110, 115, 124, 155, 218, 220, 230, 253, 275, 310, 341, 436, 460, 506, 545, 550, 575, 620, 682, 713, 775, 1012, 1090, 1100, 1150, 1199, 1265, 1364, 1426, 1550, 1705, 2180, 2300, 2398, 2507, 2530, 2725, 2852, 3100, 3379, 3410, 3565, 4796, 5014, 5060, 5450, 5995, 6325, 6758, 6820, 7130, 7843, 8525, 10028, 10900, 11990, 12535, 12650, 13516, 14260, 15686, 16895, 17050, 17825, 23980, 25070, 25300, 27577, 29975, 31372, 33790, 34100, 35650, 37169, 39215, 50140, 55154, 59950, 62675, 67580, 71300, 74338, 77717, 78430, 84475, 110308, 119900, 125350, 137885, 148676, 155434, 156860, 168950, 185845, 196075, 250700, 275770, 310868, 337900, 371690, 388585, 392150, 551540, 689425, 743380, 777170, 784300, 854887, 929225, 1378850, 1554340, 1709774, 1858450, 1942925, 2757700, 3419548, 3716900, 3885850, 4274435, 7771700, 8548870, 17097740, 21372175, 42744350, 85488700]

約数ペア:

[(1, 85488700), (2, 42744350), (4, 21372175), (5, 17097740), (10, 8548870), (11, 7771700), (20, 4274435), (22, 3885850), (23, 3716900), (25, 3419548), (31, 2757700), (44, 1942925), (46, 1858450), (50, 1709774), (55, 1554340), (62, 1378850), (92, 929225), (100, 854887), (109, 784300), (110, 777170), (115, 743380), (124, 689425), (155, 551540), (218, 392150), (220, 388585), (230, 371690), (253, 337900), (275, 310868), (310, 275770), (341, 250700), (436, 196075), (460, 185845), (506, 168950), (545, 156860), (550, 155434), (575, 148676), (620, 137885), (682, 125350), (713, 119900), (775, 110308), (1012, 84475), (1090, 78430), (1100, 77717), (1150, 74338), (1199, 71300), (1265, 67580), (1364, 62675), (1426, 59950), (1550, 55154), (1705, 50140), (2180, 39215), (2300, 37169), (2398, 35650), (2507, 34100), (2530, 33790), (2725, 31372), (2852, 29975), (3100, 27577), (3379, 25300), (3410, 25070), (3565, 23980), (4796, 17825), (5014, 17050), (5060, 16895), (5450, 15686), (5995, 14260), (6325, 13516), (6758, 12650), (6820, 12535), (7130, 11990), (7843, 10900), (8525, 10028)]