243146020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:461

約数の個数: 96

約数和(自身を含む): 575318016

約数和(自身を除く): 332171996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 97, 124, 130, 155, 194, 260, 310, 311, 388, 403, 485, 620, 622, 806, 970, 1244, 1261, 1555, 1612, 1940, 2015, 2522, 3007, 3110, 4030, 4043, 5044, 6014, 6220, 6305, 8060, 8086, 9641, 12028, 12610, 15035, 16172, 19282, 20215, 25220, 30070, 30167, 38564, 39091, 40430, 48205, 60140, 60334, 78182, 80860, 96410, 120668, 125333, 150835, 156364, 192820, 195455, 250666, 301670, 390910, 392171, 501332, 603340, 626665, 781820, 784342, 935177, 1253330, 1568684, 1870354, 1960855, 2506660, 3740708, 3921710, 4675885, 7843420, 9351770, 12157301, 18703540, 24314602, 48629204, 60786505, 121573010, 243146020]

約数ペア:

[(1, 243146020), (2, 121573010), (4, 60786505), (5, 48629204), (10, 24314602), (13, 18703540), (20, 12157301), (26, 9351770), (31, 7843420), (52, 4675885), (62, 3921710), (65, 3740708), (97, 2506660), (124, 1960855), (130, 1870354), (155, 1568684), (194, 1253330), (260, 935177), (310, 784342), (311, 781820), (388, 626665), (403, 603340), (485, 501332), (620, 392171), (622, 390910), (806, 301670), (970, 250666), (1244, 195455), (1261, 192820), (1555, 156364), (1612, 150835), (1940, 125333), (2015, 120668), (2522, 96410), (3007, 80860), (3110, 78182), (4030, 60334), (4043, 60140), (5044, 48205), (6014, 40430), (6220, 39091), (6305, 38564), (8060, 30167), (8086, 30070), (9641, 25220), (12028, 20215), (12610, 19282), (15035, 16172)]