87556940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 198040752

約数和(自身を除く): 110483812

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 181, 190, 268, 335, 361, 362, 380, 670, 722, 724, 905, 1273, 1340, 1444, 1805, 1810, 2546, 3439, 3610, 3620, 5092, 6365, 6878, 7220, 12127, 12730, 13756, 17195, 24187, 24254, 25460, 34390, 48374, 48508, 60635, 65341, 68780, 96748, 120935, 121270, 130682, 230413, 241870, 242540, 261364, 326705, 460826, 483740, 653410, 921652, 1152065, 1306820, 2304130, 4377847, 4608260, 8755694, 17511388, 21889235, 43778470, 87556940]

約数ペア:

[(1, 87556940), (2, 43778470), (4, 21889235), (5, 17511388), (10, 8755694), (19, 4608260), (20, 4377847), (38, 2304130), (67, 1306820), (76, 1152065), (95, 921652), (134, 653410), (181, 483740), (190, 460826), (268, 326705), (335, 261364), (361, 242540), (362, 241870), (380, 230413), (670, 130682), (722, 121270), (724, 120935), (905, 96748), (1273, 68780), (1340, 65341), (1444, 60635), (1805, 48508), (1810, 48374), (2546, 34390), (3439, 25460), (3610, 24254), (3620, 24187), (5092, 17195), (6365, 13756), (6878, 12730), (7220, 12127)]