198155560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2053}}^1$

素因数の和:2210

約数の個数: 64

約数和(自身を含む): 473241600

約数和(自身を除く): 275086040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 127, 152, 190, 254, 380, 508, 635, 760, 1016, 1270, 2053, 2413, 2540, 4106, 4826, 5080, 8212, 9652, 10265, 12065, 16424, 19304, 20530, 24130, 39007, 41060, 48260, 78014, 82120, 96520, 156028, 195035, 260731, 312056, 390070, 521462, 780140, 1042924, 1303655, 1560280, 2085848, 2607310, 4953889, 5214620, 9907778, 10429240, 19815556, 24769445, 39631112, 49538890, 99077780, 198155560]

約数ペア:

[(1, 198155560), (2, 99077780), (4, 49538890), (5, 39631112), (8, 24769445), (10, 19815556), (19, 10429240), (20, 9907778), (38, 5214620), (40, 4953889), (76, 2607310), (95, 2085848), (127, 1560280), (152, 1303655), (190, 1042924), (254, 780140), (380, 521462), (508, 390070), (635, 312056), (760, 260731), (1016, 195035), (1270, 156028), (2053, 96520), (2413, 82120), (2540, 78014), (4106, 48260), (4826, 41060), (5080, 39007), (8212, 24130), (9652, 20530), (10265, 19304), (12065, 16424)]