19884900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1$

素因数の和:598

約数の個数: 144

約数和(自身を含む): 69745536

約数和(自身を除く): 49860636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 25, 28, 30, 34, 35, 42, 50, 51, 60, 68, 70, 75, 84, 85, 100, 102, 105, 119, 140, 150, 170, 175, 204, 210, 238, 255, 300, 340, 350, 357, 420, 425, 476, 510, 525, 557, 595, 700, 714, 850, 1020, 1050, 1114, 1190, 1275, 1428, 1671, 1700, 1785, 2100, 2228, 2380, 2550, 2785, 2975, 3342, 3570, 3899, 5100, 5570, 5950, 6684, 7140, 7798, 8355, 8925, 9469, 11140, 11697, 11900, 13925, 15596, 16710, 17850, 18938, 19495, 23394, 27850, 28407, 33420, 35700, 37876, 38990, 41775, 46788, 47345, 55700, 56814, 58485, 66283, 77980, 83550, 94690, 97475, 113628, 116970, 132566, 142035, 167100, 189380, 194950, 198849, 233940, 236725, 265132, 284070, 292425, 331415, 389900, 397698, 473450, 568140, 584850, 662830, 710175, 795396, 946900, 994245, 1169700, 1325660, 1420350, 1657075, 1988490, 2840700, 3314150, 3976980, 4971225, 6628300, 9942450, 19884900]

約数ペア:

[(1, 19884900), (2, 9942450), (3, 6628300), (4, 4971225), (5, 3976980), (6, 3314150), (7, 2840700), (10, 1988490), (12, 1657075), (14, 1420350), (15, 1325660), (17, 1169700), (20, 994245), (21, 946900), (25, 795396), (28, 710175), (30, 662830), (34, 584850), (35, 568140), (42, 473450), (50, 397698), (51, 389900), (60, 331415), (68, 292425), (70, 284070), (75, 265132), (84, 236725), (85, 233940), (100, 198849), (102, 194950), (105, 189380), (119, 167100), (140, 142035), (150, 132566), (170, 116970), (175, 113628), (204, 97475), (210, 94690), (238, 83550), (255, 77980), (300, 66283), (340, 58485), (350, 56814), (357, 55700), (420, 47345), (425, 46788), (476, 41775), (510, 38990), (525, 37876), (557, 35700), (595, 33420), (700, 28407), (714, 27850), (850, 23394), (1020, 19495), (1050, 18938), (1114, 17850), (1190, 16710), (1275, 15596), (1428, 13925), (1671, 11900), (1700, 11697), (1785, 11140), (2100, 9469), (2228, 8925), (2380, 8355), (2550, 7798), (2785, 7140), (2975, 6684), (3342, 5950), (3570, 5570), (3899, 5100)]