40375020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 136055808

約数和(自身を除く): 95680788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 443, 465, 490, 588, 620, 651, 735, 868, 886, 930, 980, 1085, 1302, 1329, 1470, 1519, 1772, 1860, 2170, 2215, 2604, 2658, 2940, 3038, 3101, 3255, 4340, 4430, 4557, 5316, 6076, 6202, 6510, 6645, 7595, 8860, 9114, 9303, 12404, 13020, 13290, 13733, 15190, 15505, 18228, 18606, 21707, 22785, 26580, 27466, 30380, 31010, 37212, 41199, 43414, 45570, 46515, 54932, 62020, 65121, 68665, 82398, 86828, 91140, 93030, 96131, 108535, 130242, 137330, 164796, 186060, 192262, 205995, 217070, 260484, 274660, 288393, 325605, 384524, 411990, 434140, 480655, 576786, 651210, 672917, 823980, 961310, 1153572, 1302420, 1345834, 1441965, 1922620, 2018751, 2691668, 2883930, 3364585, 4037502, 5767860, 6729170, 8075004, 10093755, 13458340, 20187510, 40375020]

約数ペア:

[(1, 40375020), (2, 20187510), (3, 13458340), (4, 10093755), (5, 8075004), (6, 6729170), (7, 5767860), (10, 4037502), (12, 3364585), (14, 2883930), (15, 2691668), (20, 2018751), (21, 1922620), (28, 1441965), (30, 1345834), (31, 1302420), (35, 1153572), (42, 961310), (49, 823980), (60, 672917), (62, 651210), (70, 576786), (84, 480655), (93, 434140), (98, 411990), (105, 384524), (124, 325605), (140, 288393), (147, 274660), (155, 260484), (186, 217070), (196, 205995), (210, 192262), (217, 186060), (245, 164796), (294, 137330), (310, 130242), (372, 108535), (420, 96131), (434, 93030), (443, 91140), (465, 86828), (490, 82398), (588, 68665), (620, 65121), (651, 62020), (735, 54932), (868, 46515), (886, 45570), (930, 43414), (980, 41199), (1085, 37212), (1302, 31010), (1329, 30380), (1470, 27466), (1519, 26580), (1772, 22785), (1860, 21707), (2170, 18606), (2215, 18228), (2604, 15505), (2658, 15190), (2940, 13733), (3038, 13290), (3101, 13020), (3255, 12404), (4340, 9303), (4430, 9114), (4557, 8860), (5316, 7595), (6076, 6645), (6202, 6510)]