304845220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{17911}}^1$

素因数の和:17980

約数の個数: 48

約数和(自身を含む): 686101248

約数和(自身を除く): 381256028

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1702, 3404, 4255, 8510, 17020, 17911, 35822, 71644, 89555, 179110, 358220, 411953, 662707, 823906, 1325414, 1647812, 2059765, 2650828, 3313535, 4119530, 6627070, 8239060, 13254140, 15242261, 30484522, 60969044, 76211305, 152422610, 304845220]

約数ペア:

[(1, 304845220), (2, 152422610), (4, 76211305), (5, 60969044), (10, 30484522), (20, 15242261), (23, 13254140), (37, 8239060), (46, 6627070), (74, 4119530), (92, 3313535), (115, 2650828), (148, 2059765), (185, 1647812), (230, 1325414), (370, 823906), (460, 662707), (740, 411953), (851, 358220), (1702, 179110), (3404, 89555), (4255, 71644), (8510, 35822), (17020, 17911)]