201222175

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 321876720

約数和(自身を除く): 120654545

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 109, 137, 175, 245, 275, 385, 539, 545, 685, 763, 959, 1199, 1225, 1507, 1925, 2695, 2725, 3425, 3815, 4795, 5341, 5995, 6713, 7535, 8393, 10549, 13475, 14933, 19075, 23975, 26705, 29975, 33565, 37675, 41965, 52745, 58751, 73843, 74665, 104531, 133525, 164263, 167825, 209825, 263725, 293755, 369215, 373325, 522655, 731717, 821315, 1149841, 1468775, 1846075, 2613275, 3658585, 4106575, 5749205, 8048887, 18292925, 28746025, 40244435, 201222175]

約数ペア:

[(1, 201222175), (5, 40244435), (7, 28746025), (11, 18292925), (25, 8048887), (35, 5749205), (49, 4106575), (55, 3658585), (77, 2613275), (109, 1846075), (137, 1468775), (175, 1149841), (245, 821315), (275, 731717), (385, 522655), (539, 373325), (545, 369215), (685, 293755), (763, 263725), (959, 209825), (1199, 167825), (1225, 164263), (1507, 133525), (1925, 104531), (2695, 74665), (2725, 73843), (3425, 58751), (3815, 52745), (4795, 41965), (5341, 37675), (5995, 33565), (6713, 29975), (7535, 26705), (8393, 23975), (10549, 19075), (13475, 14933)]