743450820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{19889}}^1$

素因数の和:19997

約数の個数: 96

約数和(自身を含む): 2405894400

約数和(自身を除く): 1662443580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 89, 105, 140, 178, 210, 267, 356, 420, 445, 534, 623, 890, 1068, 1246, 1335, 1780, 1869, 2492, 2670, 3115, 3738, 5340, 6230, 7476, 9345, 12460, 18690, 19889, 37380, 39778, 59667, 79556, 99445, 119334, 139223, 198890, 238668, 278446, 298335, 397780, 417669, 556892, 596670, 696115, 835338, 1193340, 1392230, 1670676, 1770121, 2088345, 2784460, 3540242, 4176690, 5310363, 7080484, 8353380, 8850605, 10620726, 12390847, 17701210, 21241452, 24781694, 26551815, 35402420, 37172541, 49563388, 53103630, 61954235, 74345082, 106207260, 123908470, 148690164, 185862705, 247816940, 371725410, 743450820]

約数ペア:

[(1, 743450820), (2, 371725410), (3, 247816940), (4, 185862705), (5, 148690164), (6, 123908470), (7, 106207260), (10, 74345082), (12, 61954235), (14, 53103630), (15, 49563388), (20, 37172541), (21, 35402420), (28, 26551815), (30, 24781694), (35, 21241452), (42, 17701210), (60, 12390847), (70, 10620726), (84, 8850605), (89, 8353380), (105, 7080484), (140, 5310363), (178, 4176690), (210, 3540242), (267, 2784460), (356, 2088345), (420, 1770121), (445, 1670676), (534, 1392230), (623, 1193340), (890, 835338), (1068, 696115), (1246, 596670), (1335, 556892), (1780, 417669), (1869, 397780), (2492, 298335), (2670, 278446), (3115, 238668), (3738, 198890), (5340, 139223), (6230, 119334), (7476, 99445), (9345, 79556), (12460, 59667), (18690, 39778), (19889, 37380)]