87047380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{647}}^1$

素因数の和:725

約数の個数: 72

約数和(自身を含む): 216203904

約数和(自身を除く): 129156524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 647, 868, 961, 1085, 1294, 1922, 2170, 2588, 3235, 3844, 4340, 4529, 4805, 6470, 6727, 9058, 9610, 12940, 13454, 18116, 19220, 20057, 22645, 26908, 33635, 40114, 45290, 67270, 80228, 90580, 100285, 134540, 140399, 200570, 280798, 401140, 561596, 621767, 701995, 1243534, 1403990, 2487068, 2807980, 3108835, 4352369, 6217670, 8704738, 12435340, 17409476, 21761845, 43523690, 87047380]

約数ペア:

[(1, 87047380), (2, 43523690), (4, 21761845), (5, 17409476), (7, 12435340), (10, 8704738), (14, 6217670), (20, 4352369), (28, 3108835), (31, 2807980), (35, 2487068), (62, 1403990), (70, 1243534), (124, 701995), (140, 621767), (155, 561596), (217, 401140), (310, 280798), (434, 200570), (620, 140399), (647, 134540), (868, 100285), (961, 90580), (1085, 80228), (1294, 67270), (1922, 45290), (2170, 40114), (2588, 33635), (3235, 26908), (3844, 22645), (4340, 20057), (4529, 19220), (4805, 18116), (6470, 13454), (6727, 12940), (9058, 9610)]