201520830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{137089}}^1$

素因数の和:137113

約数の個数: 48

約数和(自身を含む): 562617360

約数和(自身を除く): 361096530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 137089, 274178, 411267, 685445, 822534, 959623, 1370890, 1919246, 2056335, 2878869, 4112670, 4798115, 5757738, 6717361, 9596230, 13434722, 14394345, 20152083, 28788690, 33586805, 40304166, 67173610, 100760415, 201520830]

約数ペア:

[(1, 201520830), (2, 100760415), (3, 67173610), (5, 40304166), (6, 33586805), (7, 28788690), (10, 20152083), (14, 14394345), (15, 13434722), (21, 9596230), (30, 6717361), (35, 5757738), (42, 4798115), (49, 4112670), (70, 2878869), (98, 2056335), (105, 1919246), (147, 1370890), (210, 959623), (245, 822534), (294, 685445), (490, 411267), (735, 274178), (1470, 137089)]