1850871640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:637

約数の個数: 128

約数和(自身を含む): 4532630400

約数和(自身を除く): 2681758760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 92, 115, 116, 145, 173, 184, 230, 232, 290, 346, 401, 460, 580, 667, 692, 802, 865, 920, 1160, 1334, 1384, 1604, 1730, 2005, 2668, 3208, 3335, 3460, 3979, 4010, 5017, 5336, 6670, 6920, 7958, 8020, 9223, 10034, 11629, 13340, 15916, 16040, 18446, 19895, 20068, 23258, 25085, 26680, 31832, 36892, 39790, 40136, 46115, 46516, 50170, 58145, 69373, 73784, 79580, 92230, 93032, 100340, 115391, 116290, 138746, 159160, 184460, 200680, 230782, 232580, 267467, 277492, 346865, 368920, 461564, 465160, 534934, 554984, 576955, 693730, 923128, 1069868, 1153910, 1337335, 1387460, 1595579, 2011817, 2139736, 2307820, 2674670, 2774920, 3191158, 4023634, 4615640, 5349340, 6382316, 7977895, 8047268, 10059085, 10698680, 12764632, 15955790, 16094536, 20118170, 31911580, 40236340, 46271791, 63823160, 80472680, 92543582, 185087164, 231358955, 370174328, 462717910, 925435820, 1850871640]

約数ペア:

[(1, 1850871640), (2, 925435820), (4, 462717910), (5, 370174328), (8, 231358955), (10, 185087164), (20, 92543582), (23, 80472680), (29, 63823160), (40, 46271791), (46, 40236340), (58, 31911580), (92, 20118170), (115, 16094536), (116, 15955790), (145, 12764632), (173, 10698680), (184, 10059085), (230, 8047268), (232, 7977895), (290, 6382316), (346, 5349340), (401, 4615640), (460, 4023634), (580, 3191158), (667, 2774920), (692, 2674670), (802, 2307820), (865, 2139736), (920, 2011817), (1160, 1595579), (1334, 1387460), (1384, 1337335), (1604, 1153910), (1730, 1069868), (2005, 923128), (2668, 693730), (3208, 576955), (3335, 554984), (3460, 534934), (3979, 465160), (4010, 461564), (5017, 368920), (5336, 346865), (6670, 277492), (6920, 267467), (7958, 232580), (8020, 230782), (9223, 200680), (10034, 184460), (11629, 159160), (13340, 138746), (15916, 116290), (16040, 115391), (18446, 100340), (19895, 93032), (20068, 92230), (23258, 79580), (25085, 73784), (26680, 69373), (31832, 58145), (36892, 50170), (39790, 46516), (40136, 46115)]