19804117500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{31}}^1\times {\mathrm{28393}}^1$

素因数の和:28454

約数の個数: 180

約数和(自身を含む): 64575679168

約数和(自身を除く): 44771561668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 124, 125, 150, 155, 180, 186, 225, 250, 279, 300, 310, 372, 375, 450, 465, 500, 558, 620, 625, 750, 775, 900, 930, 1116, 1125, 1250, 1395, 1500, 1550, 1860, 1875, 2250, 2325, 2500, 2790, 3100, 3750, 3875, 4500, 4650, 5580, 5625, 6975, 7500, 7750, 9300, 11250, 11625, 13950, 15500, 19375, 22500, 23250, 27900, 28393, 34875, 38750, 46500, 56786, 58125, 69750, 77500, 85179, 113572, 116250, 139500, 141965, 170358, 174375, 232500, 255537, 283930, 340716, 348750, 425895, 511074, 567860, 697500, 709825, 851790, 880183, 1022148, 1277685, 1419650, 1703580, 1760366, 2129475, 2555370, 2640549, 2839300, 3520732, 3549125, 4258950, 4400915, 5110740, 5281098, 6388425, 7098250, 7921647, 8517900, 8801830, 10562196, 10647375, 12776850, 13202745, 14196500, 15843294, 17603660, 17745625, 21294750, 22004575, 25553700, 26405490, 31686588, 31942125, 35491250, 39608235, 42589500, 44009150, 52810980, 53236875, 63884250, 66013725, 70982500, 79216470, 88018300, 106473750, 110022875, 127768500, 132027450, 158432940, 159710625, 198041175, 212947500, 220045750, 264054900, 319421250, 330068625, 396082350, 440091500, 550114375, 638842500, 660137250, 792164700, 990205875, 1100228750, 1320274500, 1650343125, 1980411750, 2200457500, 3300686250, 3960823500, 4951029375, 6601372500, 9902058750, 19804117500]

約数ペア:

[(1, 19804117500), (2, 9902058750), (3, 6601372500), (4, 4951029375), (5, 3960823500), (6, 3300686250), (9, 2200457500), (10, 1980411750), (12, 1650343125), (15, 1320274500), (18, 1100228750), (20, 990205875), (25, 792164700), (30, 660137250), (31, 638842500), (36, 550114375), (45, 440091500), (50, 396082350), (60, 330068625), (62, 319421250), (75, 264054900), (90, 220045750), (93, 212947500), (100, 198041175), (124, 159710625), (125, 158432940), (150, 132027450), (155, 127768500), (180, 110022875), (186, 106473750), (225, 88018300), (250, 79216470), (279, 70982500), (300, 66013725), (310, 63884250), (372, 53236875), (375, 52810980), (450, 44009150), (465, 42589500), (500, 39608235), (558, 35491250), (620, 31942125), (625, 31686588), (750, 26405490), (775, 25553700), (900, 22004575), (930, 21294750), (1116, 17745625), (1125, 17603660), (1250, 15843294), (1395, 14196500), (1500, 13202745), (1550, 12776850), (1860, 10647375), (1875, 10562196), (2250, 8801830), (2325, 8517900), (2500, 7921647), (2790, 7098250), (3100, 6388425), (3750, 5281098), (3875, 5110740), (4500, 4400915), (4650, 4258950), (5580, 3549125), (5625, 3520732), (6975, 2839300), (7500, 2640549), (7750, 2555370), (9300, 2129475), (11250, 1760366), (11625, 1703580), (13950, 1419650), (15500, 1277685), (19375, 1022148), (22500, 880183), (23250, 851790), (27900, 709825), (28393, 697500), (34875, 567860), (38750, 511074), (46500, 425895), (56786, 348750), (58125, 340716), (69750, 283930), (77500, 255537), (85179, 232500), (113572, 174375), (116250, 170358), (139500, 141965)]