4901960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 13358520

約数和(自身を除く): 8456560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 61, 70, 82, 98, 122, 140, 164, 196, 205, 244, 245, 280, 287, 305, 328, 392, 410, 427, 488, 490, 574, 610, 820, 854, 980, 1148, 1220, 1435, 1640, 1708, 1960, 2009, 2135, 2296, 2440, 2501, 2870, 2989, 3416, 4018, 4270, 5002, 5740, 5978, 8036, 8540, 10004, 10045, 11480, 11956, 12505, 14945, 16072, 17080, 17507, 20008, 20090, 23912, 25010, 29890, 35014, 40180, 50020, 59780, 70028, 80360, 87535, 100040, 119560, 122549, 140056, 175070, 245098, 350140, 490196, 612745, 700280, 980392, 1225490, 2450980, 4901960]

約数ペア:

[(1, 4901960), (2, 2450980), (4, 1225490), (5, 980392), (7, 700280), (8, 612745), (10, 490196), (14, 350140), (20, 245098), (28, 175070), (35, 140056), (40, 122549), (41, 119560), (49, 100040), (56, 87535), (61, 80360), (70, 70028), (82, 59780), (98, 50020), (122, 40180), (140, 35014), (164, 29890), (196, 25010), (205, 23912), (244, 20090), (245, 20008), (280, 17507), (287, 17080), (305, 16072), (328, 14945), (392, 12505), (410, 11956), (427, 11480), (488, 10045), (490, 10004), (574, 8540), (610, 8036), (820, 5978), (854, 5740), (980, 5002), (1148, 4270), (1220, 4018), (1435, 3416), (1640, 2989), (1708, 2870), (1960, 2501), (2009, 2440), (2135, 2296)]