238431920

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{48859}}^1$

素因数の和:48933

約数の個数: 40

約数和(自身を含む): 563453520

約数和(自身を除く): 325021600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 48859, 97718, 195436, 244295, 390872, 488590, 781744, 977180, 1954360, 2980399, 3908720, 5960798, 11921596, 14901995, 23843192, 29803990, 47686384, 59607980, 119215960, 238431920]

約数ペア:

[(1, 238431920), (2, 119215960), (4, 59607980), (5, 47686384), (8, 29803990), (10, 23843192), (16, 14901995), (20, 11921596), (40, 5960798), (61, 3908720), (80, 2980399), (122, 1954360), (244, 977180), (305, 781744), (488, 488590), (610, 390872), (976, 244295), (1220, 195436), (2440, 97718), (4880, 48859)]