123498100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{311}}^1$

素因数の和:374

約数の個数: 108

約数和(自身を含む): 309542688

約数和(自身を除く): 186044588

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 311, 361, 380, 418, 475, 550, 622, 722, 836, 950, 1045, 1100, 1244, 1444, 1555, 1805, 1900, 2090, 3110, 3421, 3610, 3971, 4180, 5225, 5909, 6220, 6842, 7220, 7775, 7942, 9025, 10450, 11818, 13684, 15550, 15884, 17105, 18050, 19855, 20900, 23636, 29545, 31100, 34210, 36100, 39710, 59090, 64999, 68420, 79420, 85525, 99275, 112271, 118180, 129998, 147725, 171050, 198550, 224542, 259996, 295450, 324995, 342100, 397100, 449084, 561355, 590900, 649990, 1122710, 1234981, 1299980, 1624975, 2245420, 2469962, 2806775, 3249950, 4939924, 5613550, 6174905, 6499900, 11227100, 12349810, 24699620, 30874525, 61749050, 123498100]

約数ペア:

[(1, 123498100), (2, 61749050), (4, 30874525), (5, 24699620), (10, 12349810), (11, 11227100), (19, 6499900), (20, 6174905), (22, 5613550), (25, 4939924), (38, 3249950), (44, 2806775), (50, 2469962), (55, 2245420), (76, 1624975), (95, 1299980), (100, 1234981), (110, 1122710), (190, 649990), (209, 590900), (220, 561355), (275, 449084), (311, 397100), (361, 342100), (380, 324995), (418, 295450), (475, 259996), (550, 224542), (622, 198550), (722, 171050), (836, 147725), (950, 129998), (1045, 118180), (1100, 112271), (1244, 99275), (1444, 85525), (1555, 79420), (1805, 68420), (1900, 64999), (2090, 59090), (3110, 39710), (3421, 36100), (3610, 34210), (3971, 31100), (4180, 29545), (5225, 23636), (5909, 20900), (6220, 19855), (6842, 18050), (7220, 17105), (7775, 15884), (7942, 15550), (9025, 13684), (10450, 11818)]