207989000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{9043}}^1$

素因数の和:9087

約数の個数: 64

約数和(自身を含む): 507911040

約数和(自身を除く): 299922040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 460, 500, 575, 920, 1000, 1150, 2300, 2875, 4600, 5750, 9043, 11500, 18086, 23000, 36172, 45215, 72344, 90430, 180860, 207989, 226075, 361720, 415978, 452150, 831956, 904300, 1039945, 1130375, 1663912, 1808600, 2079890, 2260750, 4159780, 4521500, 5199725, 8319560, 9043000, 10399450, 20798900, 25998625, 41597800, 51997250, 103994500, 207989000]

約数ペア:

[(1, 207989000), (2, 103994500), (4, 51997250), (5, 41597800), (8, 25998625), (10, 20798900), (20, 10399450), (23, 9043000), (25, 8319560), (40, 5199725), (46, 4521500), (50, 4159780), (92, 2260750), (100, 2079890), (115, 1808600), (125, 1663912), (184, 1130375), (200, 1039945), (230, 904300), (250, 831956), (460, 452150), (500, 415978), (575, 361720), (920, 226075), (1000, 207989), (1150, 180860), (2300, 90430), (2875, 72344), (4600, 45215), (5750, 36172), (9043, 23000), (11500, 18086)]