1999849740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{40013}}^1$

素因数の和:40056

約数の個数: 144

約数和(自身を含む): 6897133152

約数和(自身を除く): 4897283412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 357, 420, 476, 490, 510, 588, 595, 714, 735, 833, 980, 1020, 1190, 1428, 1470, 1666, 1785, 2380, 2499, 2940, 3332, 3570, 4165, 4998, 7140, 8330, 9996, 12495, 16660, 24990, 40013, 49980, 80026, 120039, 160052, 200065, 240078, 280091, 400130, 480156, 560182, 600195, 680221, 800260, 840273, 1120364, 1200390, 1360442, 1400455, 1680546, 1960637, 2040663, 2400780, 2720884, 2800910, 3361092, 3401105, 3921274, 4081326, 4201365, 4761547, 5601820, 5881911, 6802210, 7842548, 8162652, 8402730, 9523094, 9803185, 10203315, 11763822, 13604420, 14284641, 16805460, 19046188, 19606370, 20406630, 23527644, 23807735, 28569282, 29409555, 33330829, 39212740, 40813260, 47615470, 57138564, 58819110, 66661658, 71423205, 95230940, 99992487, 117638220, 133323316, 142846410, 166654145, 199984974, 285692820, 333308290, 399969948, 499962435, 666616580, 999924870, 1999849740]

約数ペア:

[(1, 1999849740), (2, 999924870), (3, 666616580), (4, 499962435), (5, 399969948), (6, 333308290), (7, 285692820), (10, 199984974), (12, 166654145), (14, 142846410), (15, 133323316), (17, 117638220), (20, 99992487), (21, 95230940), (28, 71423205), (30, 66661658), (34, 58819110), (35, 57138564), (42, 47615470), (49, 40813260), (51, 39212740), (60, 33330829), (68, 29409555), (70, 28569282), (84, 23807735), (85, 23527644), (98, 20406630), (102, 19606370), (105, 19046188), (119, 16805460), (140, 14284641), (147, 13604420), (170, 11763822), (196, 10203315), (204, 9803185), (210, 9523094), (238, 8402730), (245, 8162652), (255, 7842548), (294, 6802210), (340, 5881911), (357, 5601820), (420, 4761547), (476, 4201365), (490, 4081326), (510, 3921274), (588, 3401105), (595, 3361092), (714, 2800910), (735, 2720884), (833, 2400780), (980, 2040663), (1020, 1960637), (1190, 1680546), (1428, 1400455), (1470, 1360442), (1666, 1200390), (1785, 1120364), (2380, 840273), (2499, 800260), (2940, 680221), (3332, 600195), (3570, 560182), (4165, 480156), (4998, 400130), (7140, 280091), (8330, 240078), (9996, 200065), (12495, 160052), (16660, 120039), (24990, 80026), (40013, 49980)]