154904425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 233281944

約数和(自身を除く): 78377519

約数列:

[1, 5, 13, 17, 23, 25, 53, 65, 85, 115, 221, 265, 299, 325, 391, 425, 529, 575, 689, 901, 1105, 1219, 1325, 1495, 1955, 2645, 3445, 4505, 5083, 5525, 6095, 6877, 7475, 8993, 9775, 11713, 13225, 15847, 17225, 20723, 22525, 25415, 28037, 30475, 34385, 44965, 58565, 79235, 103615, 116909, 127075, 140185, 171925, 224825, 269399, 292825, 364481, 396175, 476629, 518075, 584545, 700925, 1346995, 1822405, 2383145, 2922725, 6196177, 6734975, 9112025, 11915725, 30980885, 154904425]

約数ペア:

[(1, 154904425), (5, 30980885), (13, 11915725), (17, 9112025), (23, 6734975), (25, 6196177), (53, 2922725), (65, 2383145), (85, 1822405), (115, 1346995), (221, 700925), (265, 584545), (299, 518075), (325, 476629), (391, 396175), (425, 364481), (529, 292825), (575, 269399), (689, 224825), (901, 171925), (1105, 140185), (1219, 127075), (1325, 116909), (1495, 103615), (1955, 79235), (2645, 58565), (3445, 44965), (4505, 34385), (5083, 30475), (5525, 28037), (6095, 25415), (6877, 22525), (7475, 20723), (8993, 17225), (9775, 15847), (11713, 13225)]