291276457720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{49523}}^1$

素因数の和:49733

約数の個数: 128

約数和(自身を含む): 706014144000

約数和(自身を除く): 414737686280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 109, 142, 152, 190, 218, 284, 355, 380, 436, 545, 568, 710, 760, 872, 1090, 1349, 1420, 2071, 2180, 2698, 2840, 4142, 4360, 5396, 6745, 7739, 8284, 10355, 10792, 13490, 15478, 16568, 20710, 26980, 30956, 38695, 41420, 49523, 53960, 61912, 77390, 82840, 99046, 147041, 154780, 198092, 247615, 294082, 309560, 396184, 495230, 588164, 735205, 940937, 990460, 1176328, 1470410, 1881874, 1980920, 2940820, 3516133, 3763748, 4704685, 5398007, 5881640, 7032266, 7527496, 9409370, 10796014, 14064532, 17580665, 18818740, 21592028, 26990035, 28129064, 35161330, 37637480, 43184056, 53980070, 66806527, 70322660, 102562133, 107960140, 133613054, 140645320, 205124266, 215920280, 267226108, 334032635, 383258497, 410248532, 512810665, 534452216, 668065270, 766516994, 820497064, 1025621330, 1336130540, 1533033988, 1916292485, 2051242660, 2672261080, 3066067976, 3832584970, 4102485320, 7281911443, 7665169940, 14563822886, 15330339880, 29127645772, 36409557215, 58255291544, 72819114430, 145638228860, 291276457720]

約数ペア:

[(1, 291276457720), (2, 145638228860), (4, 72819114430), (5, 58255291544), (8, 36409557215), (10, 29127645772), (19, 15330339880), (20, 14563822886), (38, 7665169940), (40, 7281911443), (71, 4102485320), (76, 3832584970), (95, 3066067976), (109, 2672261080), (142, 2051242660), (152, 1916292485), (190, 1533033988), (218, 1336130540), (284, 1025621330), (355, 820497064), (380, 766516994), (436, 668065270), (545, 534452216), (568, 512810665), (710, 410248532), (760, 383258497), (872, 334032635), (1090, 267226108), (1349, 215920280), (1420, 205124266), (2071, 140645320), (2180, 133613054), (2698, 107960140), (2840, 102562133), (4142, 70322660), (4360, 66806527), (5396, 53980070), (6745, 43184056), (7739, 37637480), (8284, 35161330), (10355, 28129064), (10792, 26990035), (13490, 21592028), (15478, 18818740), (16568, 17580665), (20710, 14064532), (26980, 10796014), (30956, 9409370), (38695, 7527496), (41420, 7032266), (49523, 5881640), (53960, 5398007), (61912, 4704685), (77390, 3763748), (82840, 3516133), (99046, 2940820), (147041, 1980920), (154780, 1881874), (198092, 1470410), (247615, 1176328), (294082, 990460), (309560, 940937), (396184, 735205), (495230, 588164)]