408789780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:358

約数の個数: 192

約数和(自身を含む): 1352601600

約数和(自身を除く): 943811820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 67, 70, 73, 84, 105, 134, 140, 146, 199, 201, 210, 219, 268, 292, 335, 365, 398, 402, 420, 438, 469, 511, 597, 670, 730, 796, 804, 876, 938, 995, 1005, 1022, 1095, 1194, 1340, 1393, 1407, 1460, 1533, 1876, 1990, 2010, 2044, 2190, 2345, 2388, 2555, 2786, 2814, 2985, 3066, 3980, 4020, 4179, 4380, 4690, 4891, 5110, 5572, 5628, 5970, 6132, 6965, 7035, 7665, 8358, 9380, 9782, 10220, 11940, 13333, 13930, 14070, 14527, 14673, 15330, 16716, 19564, 20895, 24455, 26666, 27860, 28140, 29054, 29346, 30660, 34237, 39999, 41790, 43581, 48910, 53332, 58108, 58692, 66665, 68474, 72635, 73365, 79998, 83580, 87162, 93331, 97820, 101689, 102711, 133330, 136948, 145270, 146730, 159996, 171185, 174324, 186662, 199995, 203378, 205422, 217905, 266660, 279993, 290540, 293460, 305067, 342370, 373324, 399990, 406756, 410844, 435810, 466655, 508445, 513555, 559986, 610134, 684740, 799980, 871620, 933310, 973309, 1016890, 1027110, 1119972, 1220268, 1399965, 1525335, 1866620, 1946618, 2033780, 2054220, 2799930, 2919927, 3050670, 3893236, 4866545, 5599860, 5839854, 6101340, 6813163, 9733090, 11679708, 13626326, 14599635, 19466180, 20439489, 27252652, 29199270, 34065815, 40878978, 58398540, 68131630, 81757956, 102197445, 136263260, 204394890, 408789780]

約数ペア:

[(1, 408789780), (2, 204394890), (3, 136263260), (4, 102197445), (5, 81757956), (6, 68131630), (7, 58398540), (10, 40878978), (12, 34065815), (14, 29199270), (15, 27252652), (20, 20439489), (21, 19466180), (28, 14599635), (30, 13626326), (35, 11679708), (42, 9733090), (60, 6813163), (67, 6101340), (70, 5839854), (73, 5599860), (84, 4866545), (105, 3893236), (134, 3050670), (140, 2919927), (146, 2799930), (199, 2054220), (201, 2033780), (210, 1946618), (219, 1866620), (268, 1525335), (292, 1399965), (335, 1220268), (365, 1119972), (398, 1027110), (402, 1016890), (420, 973309), (438, 933310), (469, 871620), (511, 799980), (597, 684740), (670, 610134), (730, 559986), (796, 513555), (804, 508445), (876, 466655), (938, 435810), (995, 410844), (1005, 406756), (1022, 399990), (1095, 373324), (1194, 342370), (1340, 305067), (1393, 293460), (1407, 290540), (1460, 279993), (1533, 266660), (1876, 217905), (1990, 205422), (2010, 203378), (2044, 199995), (2190, 186662), (2345, 174324), (2388, 171185), (2555, 159996), (2786, 146730), (2814, 145270), (2985, 136948), (3066, 133330), (3980, 102711), (4020, 101689), (4179, 97820), (4380, 93331), (4690, 87162), (4891, 83580), (5110, 79998), (5572, 73365), (5628, 72635), (5970, 68474), (6132, 66665), (6965, 58692), (7035, 58108), (7665, 53332), (8358, 48910), (9380, 43581), (9782, 41790), (10220, 39999), (11940, 34237), (13333, 30660), (13930, 29346), (14070, 29054), (14527, 28140), (14673, 27860), (15330, 26666), (16716, 24455), (19564, 20895)]