201720750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{499}}^1$

素因数の和:544

約数の個数: 192

約数和(自身を含む): 640224000

約数和(自身を除く): 438503250

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 25, 30, 33, 35, 42, 49, 50, 55, 66, 70, 75, 77, 98, 105, 110, 125, 147, 150, 154, 165, 175, 210, 231, 245, 250, 275, 294, 330, 350, 375, 385, 462, 490, 499, 525, 539, 550, 735, 750, 770, 825, 875, 998, 1050, 1078, 1155, 1225, 1375, 1470, 1497, 1617, 1650, 1750, 1925, 2310, 2450, 2495, 2625, 2695, 2750, 2994, 3234, 3493, 3675, 3850, 4125, 4990, 5250, 5390, 5489, 5775, 6125, 6986, 7350, 7485, 8085, 8250, 9625, 10479, 10978, 11550, 12250, 12475, 13475, 14970, 16170, 16467, 17465, 18375, 19250, 20958, 24451, 24950, 26950, 27445, 28875, 32934, 34930, 36750, 37425, 38423, 40425, 48902, 52395, 54890, 57750, 62375, 67375, 73353, 74850, 76846, 80850, 82335, 87325, 104790, 115269, 122255, 124750, 134750, 137225, 146706, 164670, 174650, 187125, 192115, 202125, 230538, 244510, 261975, 268961, 274450, 366765, 374250, 384230, 404250, 411675, 436625, 523950, 537922, 576345, 611275, 686125, 733530, 806883, 823350, 873250, 960575, 1152690, 1222550, 1309875, 1344805, 1372250, 1613766, 1833825, 1921150, 2058375, 2619750, 2689610, 2881725, 3056375, 3667650, 4034415, 4116750, 4802875, 5763450, 6112750, 6724025, 8068830, 9169125, 9605750, 13448050, 14408625, 18338250, 20172075, 28817250, 33620125, 40344150, 67240250, 100860375, 201720750]

約数ペア:

[(1, 201720750), (2, 100860375), (3, 67240250), (5, 40344150), (6, 33620125), (7, 28817250), (10, 20172075), (11, 18338250), (14, 14408625), (15, 13448050), (21, 9605750), (22, 9169125), (25, 8068830), (30, 6724025), (33, 6112750), (35, 5763450), (42, 4802875), (49, 4116750), (50, 4034415), (55, 3667650), (66, 3056375), (70, 2881725), (75, 2689610), (77, 2619750), (98, 2058375), (105, 1921150), (110, 1833825), (125, 1613766), (147, 1372250), (150, 1344805), (154, 1309875), (165, 1222550), (175, 1152690), (210, 960575), (231, 873250), (245, 823350), (250, 806883), (275, 733530), (294, 686125), (330, 611275), (350, 576345), (375, 537922), (385, 523950), (462, 436625), (490, 411675), (499, 404250), (525, 384230), (539, 374250), (550, 366765), (735, 274450), (750, 268961), (770, 261975), (825, 244510), (875, 230538), (998, 202125), (1050, 192115), (1078, 187125), (1155, 174650), (1225, 164670), (1375, 146706), (1470, 137225), (1497, 134750), (1617, 124750), (1650, 122255), (1750, 115269), (1925, 104790), (2310, 87325), (2450, 82335), (2495, 80850), (2625, 76846), (2695, 74850), (2750, 73353), (2994, 67375), (3234, 62375), (3493, 57750), (3675, 54890), (3850, 52395), (4125, 48902), (4990, 40425), (5250, 38423), (5390, 37425), (5489, 36750), (5775, 34930), (6125, 32934), (6986, 28875), (7350, 27445), (7485, 26950), (8085, 24950), (8250, 24451), (9625, 20958), (10479, 19250), (10978, 18375), (11550, 17465), (12250, 16467), (12475, 16170), (13475, 14970)]