20189071375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:382

約数の個数: 128

約数和(自身を含む): 29804785920

約数和(自身を除く): 9615714545

約数列:

[1, 5, 11, 25, 29, 41, 53, 55, 125, 145, 205, 233, 265, 275, 319, 451, 583, 725, 1025, 1165, 1189, 1325, 1375, 1537, 1595, 2173, 2255, 2563, 2915, 3625, 5125, 5825, 5945, 6625, 6757, 7685, 7975, 9553, 10865, 11275, 12349, 12815, 13079, 14575, 16907, 23903, 29125, 29725, 33785, 38425, 39875, 47765, 54325, 56375, 61745, 63017, 64075, 65395, 72875, 74327, 84535, 105083, 119515, 135839, 148625, 168925, 192125, 238825, 271625, 277037, 308725, 315085, 320375, 326975, 358121, 371635, 422675, 506309, 525415, 597575, 679195, 693187, 844625, 1194125, 1385185, 1543625, 1575425, 1634875, 1790605, 1858175, 2113375, 2531545, 2627075, 2987875, 3047407, 3395975, 3465935, 3939331, 5569399, 6925925, 7877125, 8953025, 9290875, 12657725, 13135375, 14682961, 15237035, 16979875, 17329675, 19696655, 27846995, 34629625, 44765125, 63288625, 73414805, 76185175, 86648375, 98483275, 139234975, 161512571, 367074025, 380925875, 492416375, 696174875, 807562855, 1835370125, 4037814275, 20189071375]

約数ペア:

[(1, 20189071375), (5, 4037814275), (11, 1835370125), (25, 807562855), (29, 696174875), (41, 492416375), (53, 380925875), (55, 367074025), (125, 161512571), (145, 139234975), (205, 98483275), (233, 86648375), (265, 76185175), (275, 73414805), (319, 63288625), (451, 44765125), (583, 34629625), (725, 27846995), (1025, 19696655), (1165, 17329675), (1189, 16979875), (1325, 15237035), (1375, 14682961), (1537, 13135375), (1595, 12657725), (2173, 9290875), (2255, 8953025), (2563, 7877125), (2915, 6925925), (3625, 5569399), (5125, 3939331), (5825, 3465935), (5945, 3395975), (6625, 3047407), (6757, 2987875), (7685, 2627075), (7975, 2531545), (9553, 2113375), (10865, 1858175), (11275, 1790605), (12349, 1634875), (12815, 1575425), (13079, 1543625), (14575, 1385185), (16907, 1194125), (23903, 844625), (29125, 693187), (29725, 679195), (33785, 597575), (38425, 525415), (39875, 506309), (47765, 422675), (54325, 371635), (56375, 358121), (61745, 326975), (63017, 320375), (64075, 315085), (65395, 308725), (72875, 277037), (74327, 271625), (84535, 238825), (105083, 192125), (119515, 168925), (135839, 148625)]