2018227500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{4721}}^1$

素因数の和:4770

約数の個数: 180

約数和(自身を含む): 6711945240

約数和(自身を除く): 4693717740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 125, 150, 171, 180, 190, 225, 228, 250, 285, 300, 342, 375, 380, 450, 475, 500, 570, 625, 684, 750, 855, 900, 950, 1125, 1140, 1250, 1425, 1500, 1710, 1875, 1900, 2250, 2375, 2500, 2850, 3420, 3750, 4275, 4500, 4721, 4750, 5625, 5700, 7125, 7500, 8550, 9442, 9500, 11250, 11875, 14163, 14250, 17100, 18884, 21375, 22500, 23605, 23750, 28326, 28500, 35625, 42489, 42750, 47210, 47500, 56652, 70815, 71250, 84978, 85500, 89699, 94420, 106875, 118025, 141630, 142500, 169956, 179398, 212445, 213750, 236050, 269097, 283260, 354075, 358796, 424890, 427500, 448495, 472100, 538194, 590125, 708150, 807291, 849780, 896990, 1062225, 1076388, 1180250, 1345485, 1416300, 1614582, 1770375, 1793980, 2124450, 2242475, 2360500, 2690970, 2950625, 3229164, 3540750, 4036455, 4248900, 4484950, 5311125, 5381940, 5901250, 6727425, 7081500, 8072910, 8851875, 8969900, 10622250, 11212375, 11802500, 13454850, 16145820, 17703750, 20182275, 21244500, 22424750, 26555625, 26909700, 33637125, 35407500, 40364550, 44849500, 53111250, 56061875, 67274250, 80729100, 100911375, 106222500, 112123750, 134548500, 168185625, 201822750, 224247500, 336371250, 403645500, 504556875, 672742500, 1009113750, 2018227500]

約数ペア:

[(1, 2018227500), (2, 1009113750), (3, 672742500), (4, 504556875), (5, 403645500), (6, 336371250), (9, 224247500), (10, 201822750), (12, 168185625), (15, 134548500), (18, 112123750), (19, 106222500), (20, 100911375), (25, 80729100), (30, 67274250), (36, 56061875), (38, 53111250), (45, 44849500), (50, 40364550), (57, 35407500), (60, 33637125), (75, 26909700), (76, 26555625), (90, 22424750), (95, 21244500), (100, 20182275), (114, 17703750), (125, 16145820), (150, 13454850), (171, 11802500), (180, 11212375), (190, 10622250), (225, 8969900), (228, 8851875), (250, 8072910), (285, 7081500), (300, 6727425), (342, 5901250), (375, 5381940), (380, 5311125), (450, 4484950), (475, 4248900), (500, 4036455), (570, 3540750), (625, 3229164), (684, 2950625), (750, 2690970), (855, 2360500), (900, 2242475), (950, 2124450), (1125, 1793980), (1140, 1770375), (1250, 1614582), (1425, 1416300), (1500, 1345485), (1710, 1180250), (1875, 1076388), (1900, 1062225), (2250, 896990), (2375, 849780), (2500, 807291), (2850, 708150), (3420, 590125), (3750, 538194), (4275, 472100), (4500, 448495), (4721, 427500), (4750, 424890), (5625, 358796), (5700, 354075), (7125, 283260), (7500, 269097), (8550, 236050), (9442, 213750), (9500, 212445), (11250, 179398), (11875, 169956), (14163, 142500), (14250, 141630), (17100, 118025), (18884, 106875), (21375, 94420), (22500, 89699), (23605, 85500), (23750, 84978), (28326, 71250), (28500, 70815), (35625, 56652), (42489, 47500), (42750, 47210)]