20238750

素因数分解:

$2^1\times 3^2\times 5^4\times 7^1\times {\mathrm{257}}^1$

素因数の和:292

約数の個数: 120

約数和(自身を含む): 62867376

約数和(自身を除く): 42628626

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 125, 126, 150, 175, 210, 225, 250, 257, 315, 350, 375, 450, 514, 525, 625, 630, 750, 771, 875, 1050, 1125, 1250, 1285, 1542, 1575, 1750, 1799, 1875, 2250, 2313, 2570, 2625, 3150, 3598, 3750, 3855, 4375, 4626, 5250, 5397, 5625, 6425, 7710, 7875, 8750, 8995, 10794, 11250, 11565, 12850, 13125, 15750, 16191, 17990, 19275, 23130, 26250, 26985, 32125, 32382, 38550, 39375, 44975, 53970, 57825, 64250, 78750, 80955, 89950, 96375, 115650, 134925, 160625, 161910, 192750, 224875, 269850, 289125, 321250, 404775, 449750, 481875, 578250, 674625, 809550, 963750, 1124375, 1349250, 1445625, 2023875, 2248750, 2891250, 3373125, 4047750, 6746250, 10119375, 20238750]

約数ペア:

[(1, 20238750), (2, 10119375), (3, 6746250), (5, 4047750), (6, 3373125), (7, 2891250), (9, 2248750), (10, 2023875), (14, 1445625), (15, 1349250), (18, 1124375), (21, 963750), (25, 809550), (30, 674625), (35, 578250), (42, 481875), (45, 449750), (50, 404775), (63, 321250), (70, 289125), (75, 269850), (90, 224875), (105, 192750), (125, 161910), (126, 160625), (150, 134925), (175, 115650), (210, 96375), (225, 89950), (250, 80955), (257, 78750), (315, 64250), (350, 57825), (375, 53970), (450, 44975), (514, 39375), (525, 38550), (625, 32382), (630, 32125), (750, 26985), (771, 26250), (875, 23130), (1050, 19275), (1125, 17990), (1250, 16191), (1285, 15750), (1542, 13125), (1575, 12850), (1750, 11565), (1799, 11250), (1875, 10794), (2250, 8995), (2313, 8750), (2570, 7875), (2625, 7710), (3150, 6425), (3598, 5625), (3750, 5397), (3855, 5250), (4375, 4626)]