202498420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{613}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 433238400

約数和(自身を除く): 230739980

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 199, 332, 398, 415, 613, 796, 830, 995, 1226, 1660, 1990, 2452, 3065, 3980, 6130, 12260, 16517, 33034, 50879, 66068, 82585, 101758, 121987, 165170, 203516, 243974, 254395, 330340, 487948, 508790, 609935, 1017580, 1219870, 2439740, 10124921, 20249842, 40499684, 50624605, 101249210, 202498420]

約数ペア:

[(1, 202498420), (2, 101249210), (4, 50624605), (5, 40499684), (10, 20249842), (20, 10124921), (83, 2439740), (166, 1219870), (199, 1017580), (332, 609935), (398, 508790), (415, 487948), (613, 330340), (796, 254395), (830, 243974), (995, 203516), (1226, 165170), (1660, 121987), (1990, 101758), (2452, 82585), (3065, 66068), (3980, 50879), (6130, 33034), (12260, 16517)]