28006650

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:565

約数の個数: 144

約数和(自身を含む): 91226304

約数和(自身を除く): 63219654

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 25, 30, 34, 35, 42, 45, 50, 51, 63, 70, 75, 85, 90, 102, 105, 119, 126, 150, 153, 170, 175, 210, 225, 238, 255, 306, 315, 350, 357, 425, 450, 510, 523, 525, 595, 630, 714, 765, 850, 1046, 1050, 1071, 1190, 1275, 1530, 1569, 1575, 1785, 2142, 2550, 2615, 2975, 3138, 3150, 3570, 3661, 3825, 4707, 5230, 5355, 5950, 7322, 7650, 7845, 8891, 8925, 9414, 10710, 10983, 13075, 15690, 17782, 17850, 18305, 21966, 23535, 26150, 26673, 26775, 32949, 36610, 39225, 44455, 47070, 53346, 53550, 54915, 62237, 65898, 78450, 80019, 88910, 91525, 109830, 117675, 124474, 133365, 160038, 164745, 183050, 186711, 222275, 235350, 266730, 274575, 311185, 329490, 373422, 400095, 444550, 549150, 560133, 622370, 666825, 800190, 823725, 933555, 1120266, 1333650, 1555925, 1647450, 1867110, 2000475, 2800665, 3111850, 4000950, 4667775, 5601330, 9335550, 14003325, 28006650]

約数ペア:

[(1, 28006650), (2, 14003325), (3, 9335550), (5, 5601330), (6, 4667775), (7, 4000950), (9, 3111850), (10, 2800665), (14, 2000475), (15, 1867110), (17, 1647450), (18, 1555925), (21, 1333650), (25, 1120266), (30, 933555), (34, 823725), (35, 800190), (42, 666825), (45, 622370), (50, 560133), (51, 549150), (63, 444550), (70, 400095), (75, 373422), (85, 329490), (90, 311185), (102, 274575), (105, 266730), (119, 235350), (126, 222275), (150, 186711), (153, 183050), (170, 164745), (175, 160038), (210, 133365), (225, 124474), (238, 117675), (255, 109830), (306, 91525), (315, 88910), (350, 80019), (357, 78450), (425, 65898), (450, 62237), (510, 54915), (523, 53550), (525, 53346), (595, 47070), (630, 44455), (714, 39225), (765, 36610), (850, 32949), (1046, 26775), (1050, 26673), (1071, 26150), (1190, 23535), (1275, 21966), (1530, 18305), (1569, 17850), (1575, 17782), (1785, 15690), (2142, 13075), (2550, 10983), (2615, 10710), (2975, 9414), (3138, 8925), (3150, 8891), (3570, 7845), (3661, 7650), (3825, 7322), (4707, 5950), (5230, 5355)]