100220820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{661}}^1$

素因数の和:718

約数の個数: 144

約数和(自身を含む): 338986368

約数和(自身を除く): 238765548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 361, 380, 399, 420, 532, 570, 661, 665, 722, 798, 1083, 1140, 1322, 1330, 1444, 1596, 1805, 1983, 1995, 2166, 2527, 2644, 2660, 3305, 3610, 3966, 3990, 4332, 4627, 5054, 5415, 6610, 7220, 7581, 7932, 7980, 9254, 9915, 10108, 10830, 12559, 12635, 13220, 13881, 15162, 18508, 19830, 21660, 23135, 25118, 25270, 27762, 30324, 37677, 37905, 39660, 46270, 50236, 50540, 55524, 62795, 69405, 75354, 75810, 87913, 92540, 125590, 138810, 150708, 151620, 175826, 188385, 238621, 251180, 263739, 277620, 351652, 376770, 439565, 477242, 527478, 715863, 753540, 879130, 954484, 1054956, 1193105, 1318695, 1431726, 1670347, 1758260, 2386210, 2637390, 2863452, 3340694, 3579315, 4772420, 5011041, 5274780, 6681388, 7158630, 8351735, 10022082, 14317260, 16703470, 20044164, 25055205, 33406940, 50110410, 100220820]

約数ペア:

[(1, 100220820), (2, 50110410), (3, 33406940), (4, 25055205), (5, 20044164), (6, 16703470), (7, 14317260), (10, 10022082), (12, 8351735), (14, 7158630), (15, 6681388), (19, 5274780), (20, 5011041), (21, 4772420), (28, 3579315), (30, 3340694), (35, 2863452), (38, 2637390), (42, 2386210), (57, 1758260), (60, 1670347), (70, 1431726), (76, 1318695), (84, 1193105), (95, 1054956), (105, 954484), (114, 879130), (133, 753540), (140, 715863), (190, 527478), (210, 477242), (228, 439565), (266, 376770), (285, 351652), (361, 277620), (380, 263739), (399, 251180), (420, 238621), (532, 188385), (570, 175826), (661, 151620), (665, 150708), (722, 138810), (798, 125590), (1083, 92540), (1140, 87913), (1322, 75810), (1330, 75354), (1444, 69405), (1596, 62795), (1805, 55524), (1983, 50540), (1995, 50236), (2166, 46270), (2527, 39660), (2644, 37905), (2660, 37677), (3305, 30324), (3610, 27762), (3966, 25270), (3990, 25118), (4332, 23135), (4627, 21660), (5054, 19830), (5415, 18508), (6610, 15162), (7220, 13881), (7581, 13220), (7932, 12635), (7980, 12559), (9254, 10830), (9915, 10108)]