2450490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{1667}}^1$

素因数の和:1691

約数の個数: 48

約数和(自身を含む): 6845472

約数和(自身を除く): 4394982

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, 1667, 3334, 5001, 8335, 10002, 11669, 16670, 23338, 25005, 35007, 50010, 58345, 70014, 81683, 116690, 163366, 175035, 245049, 350070, 408415, 490098, 816830, 1225245, 2450490]

約数ペア:

[(1, 2450490), (2, 1225245), (3, 816830), (5, 490098), (6, 408415), (7, 350070), (10, 245049), (14, 175035), (15, 163366), (21, 116690), (30, 81683), (35, 70014), (42, 58345), (49, 50010), (70, 35007), (98, 25005), (105, 23338), (147, 16670), (210, 11669), (245, 10002), (294, 8335), (490, 5001), (735, 3334), (1470, 1667)]