18370100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:214

約数の個数: 108

約数和(自身を含む): 48684384

約数和(自身を除く): 30314284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 49, 50, 70, 92, 98, 100, 115, 140, 161, 163, 175, 196, 230, 245, 322, 326, 350, 460, 490, 575, 644, 652, 700, 805, 815, 980, 1127, 1141, 1150, 1225, 1610, 1630, 2254, 2282, 2300, 2450, 3220, 3260, 3749, 4025, 4075, 4508, 4564, 4900, 5635, 5705, 7498, 7987, 8050, 8150, 11270, 11410, 14996, 15974, 16100, 16300, 18745, 22540, 22820, 26243, 28175, 28525, 31948, 37490, 39935, 52486, 56350, 57050, 74980, 79870, 93725, 104972, 112700, 114100, 131215, 159740, 183701, 187450, 199675, 262430, 367402, 374900, 399350, 524860, 656075, 734804, 798700, 918505, 1312150, 1837010, 2624300, 3674020, 4592525, 9185050, 18370100]

約数ペア:

[(1, 18370100), (2, 9185050), (4, 4592525), (5, 3674020), (7, 2624300), (10, 1837010), (14, 1312150), (20, 918505), (23, 798700), (25, 734804), (28, 656075), (35, 524860), (46, 399350), (49, 374900), (50, 367402), (70, 262430), (92, 199675), (98, 187450), (100, 183701), (115, 159740), (140, 131215), (161, 114100), (163, 112700), (175, 104972), (196, 93725), (230, 79870), (245, 74980), (322, 57050), (326, 56350), (350, 52486), (460, 39935), (490, 37490), (575, 31948), (644, 28525), (652, 28175), (700, 26243), (805, 22820), (815, 22540), (980, 18745), (1127, 16300), (1141, 16100), (1150, 15974), (1225, 14996), (1610, 11410), (1630, 11270), (2254, 8150), (2282, 8050), (2300, 7987), (2450, 7498), (3220, 5705), (3260, 5635), (3749, 4900), (4025, 4564), (4075, 4508)]