4900980

素因数分解:

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

素因数の和:1693

約数の個数: 72

約数和(自身を含む): 15972768

約数和(自身を除く): 11071788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 1667, 2940, 3334, 5001, 6668, 8335, 10002, 11669, 16670, 20004, 23338, 25005, 33340, 35007, 46676, 50010, 58345, 70014, 81683, 100020, 116690, 140028, 163366, 175035, 233380, 245049, 326732, 350070, 408415, 490098, 700140, 816830, 980196, 1225245, 1633660, 2450490, 4900980]

約数ペア:

[(1, 4900980), (2, 2450490), (3, 1633660), (4, 1225245), (5, 980196), (6, 816830), (7, 700140), (10, 490098), (12, 408415), (14, 350070), (15, 326732), (20, 245049), (21, 233380), (28, 175035), (30, 163366), (35, 140028), (42, 116690), (49, 100020), (60, 81683), (70, 70014), (84, 58345), (98, 50010), (105, 46676), (140, 35007), (147, 33340), (196, 25005), (210, 23338), (245, 20004), (294, 16670), (420, 11669), (490, 10002), (588, 8335), (735, 6668), (980, 5001), (1470, 3334), (1667, 2940)]