835270020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18787}}^1$

素因数の和:18834

約数の個数: 144

約数和(自身を含む): 2872309440

約数和(自身を除く): 2037039420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 2223, 2340, 2470, 2964, 3420, 3705, 4446, 4940, 7410, 8892, 11115, 14820, 18787, 22230, 37574, 44460, 56361, 75148, 93935, 112722, 169083, 187870, 225444, 244231, 281805, 338166, 356953, 375740, 488462, 563610, 676332, 713906, 732693, 845415, 976924, 1070859, 1127220, 1221155, 1427812, 1465386, 1690830, 1784765, 2141718, 2198079, 2442310, 2930772, 3212577, 3381660, 3569530, 3663465, 4283436, 4396158, 4640389, 4884620, 5354295, 6425154, 7139060, 7326930, 8792316, 9280778, 10708590, 10990395, 12850308, 13921167, 14653860, 16062885, 18561556, 21417180, 21980790, 23201945, 27842334, 32125770, 41763501, 43961580, 46403890, 55684668, 64251540, 69605835, 83527002, 92807780, 139211670, 167054004, 208817505, 278423340, 417635010, 835270020]

約数ペア:

[(1, 835270020), (2, 417635010), (3, 278423340), (4, 208817505), (5, 167054004), (6, 139211670), (9, 92807780), (10, 83527002), (12, 69605835), (13, 64251540), (15, 55684668), (18, 46403890), (19, 43961580), (20, 41763501), (26, 32125770), (30, 27842334), (36, 23201945), (38, 21980790), (39, 21417180), (45, 18561556), (52, 16062885), (57, 14653860), (60, 13921167), (65, 12850308), (76, 10990395), (78, 10708590), (90, 9280778), (95, 8792316), (114, 7326930), (117, 7139060), (130, 6425154), (156, 5354295), (171, 4884620), (180, 4640389), (190, 4396158), (195, 4283436), (228, 3663465), (234, 3569530), (247, 3381660), (260, 3212577), (285, 2930772), (342, 2442310), (380, 2198079), (390, 2141718), (468, 1784765), (494, 1690830), (570, 1465386), (585, 1427812), (684, 1221155), (741, 1127220), (780, 1070859), (855, 976924), (988, 845415), (1140, 732693), (1170, 713906), (1235, 676332), (1482, 563610), (1710, 488462), (2223, 375740), (2340, 356953), (2470, 338166), (2964, 281805), (3420, 244231), (3705, 225444), (4446, 187870), (4940, 169083), (7410, 112722), (8892, 93935), (11115, 75148), (14820, 56361), (18787, 44460), (22230, 37574)]