450389380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{1831}}^1$

素因数の和:2105

約数の個数: 72

約数和(自身を含む): 1105223616

約数和(自身を除く): 654834236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 251, 490, 502, 980, 1004, 1255, 1757, 1831, 2510, 3514, 3662, 5020, 7028, 7324, 8785, 9155, 12299, 12817, 17570, 18310, 24598, 25634, 35140, 36620, 49196, 51268, 61495, 64085, 89719, 122990, 128170, 179438, 245980, 256340, 358876, 448595, 459581, 897190, 919162, 1794380, 1838324, 2297905, 3217067, 4595810, 6434134, 9191620, 12868268, 16085335, 22519469, 32170670, 45038938, 64341340, 90077876, 112597345, 225194690, 450389380]

約数ペア:

[(1, 450389380), (2, 225194690), (4, 112597345), (5, 90077876), (7, 64341340), (10, 45038938), (14, 32170670), (20, 22519469), (28, 16085335), (35, 12868268), (49, 9191620), (70, 6434134), (98, 4595810), (140, 3217067), (196, 2297905), (245, 1838324), (251, 1794380), (490, 919162), (502, 897190), (980, 459581), (1004, 448595), (1255, 358876), (1757, 256340), (1831, 245980), (2510, 179438), (3514, 128170), (3662, 122990), (5020, 89719), (7028, 64085), (7324, 61495), (8785, 51268), (9155, 49196), (12299, 36620), (12817, 35140), (17570, 25634), (18310, 24598)]