2018197300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{419}}^1\times {\mathrm{983}}^1$

素因数の和:1430

約数の個数: 108

約数和(自身を含む): 5111860320

約数和(自身を除く): 3093663020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 419, 490, 700, 838, 980, 983, 1225, 1676, 1966, 2095, 2450, 2933, 3932, 4190, 4900, 4915, 5866, 6881, 8380, 9830, 10475, 11732, 13762, 14665, 19660, 20531, 20950, 24575, 27524, 29330, 34405, 41062, 41900, 48167, 49150, 58660, 68810, 73325, 82124, 96334, 98300, 102655, 137620, 146650, 172025, 192668, 205310, 240835, 293300, 344050, 410620, 411877, 481670, 513275, 688100, 823754, 963340, 1026550, 1204175, 1647508, 2053100, 2059385, 2408350, 2883139, 4118770, 4816700, 5766278, 8237540, 10296925, 11532556, 14415695, 20181973, 20593850, 28831390, 40363946, 41187700, 57662780, 72078475, 80727892, 100909865, 144156950, 201819730, 288313900, 403639460, 504549325, 1009098650, 2018197300]

約数ペア:

[(1, 2018197300), (2, 1009098650), (4, 504549325), (5, 403639460), (7, 288313900), (10, 201819730), (14, 144156950), (20, 100909865), (25, 80727892), (28, 72078475), (35, 57662780), (49, 41187700), (50, 40363946), (70, 28831390), (98, 20593850), (100, 20181973), (140, 14415695), (175, 11532556), (196, 10296925), (245, 8237540), (350, 5766278), (419, 4816700), (490, 4118770), (700, 2883139), (838, 2408350), (980, 2059385), (983, 2053100), (1225, 1647508), (1676, 1204175), (1966, 1026550), (2095, 963340), (2450, 823754), (2933, 688100), (3932, 513275), (4190, 481670), (4900, 411877), (4915, 410620), (5866, 344050), (6881, 293300), (8380, 240835), (9830, 205310), (10475, 192668), (11732, 172025), (13762, 146650), (14665, 137620), (19660, 102655), (20531, 98300), (20950, 96334), (24575, 82124), (27524, 73325), (29330, 68810), (34405, 58660), (41062, 49150), (41900, 48167)]