20011442500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{787}}^1\times {\mathrm{1453}}^1$

素因数の和:2271

約数の個数: 120

約数和(自身を含む): 50110609472

約数和(自身を除く): 30099166972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 787, 875, 1250, 1453, 1574, 1750, 2500, 2906, 3148, 3500, 3935, 4375, 5509, 5812, 7265, 7870, 8750, 10171, 11018, 14530, 15740, 17500, 19675, 20342, 22036, 27545, 29060, 36325, 39350, 40684, 50855, 55090, 72650, 78700, 98375, 101710, 110180, 137725, 145300, 181625, 196750, 203420, 254275, 275450, 363250, 393500, 491875, 508550, 550900, 688625, 726500, 908125, 983750, 1017100, 1143511, 1271375, 1377250, 1816250, 1967500, 2287022, 2542750, 2754500, 3443125, 3632500, 4574044, 5085500, 5717555, 6356875, 6886250, 8004577, 11435110, 12713750, 13772500, 16009154, 22870220, 25427500, 28587775, 32018308, 40022885, 57175550, 80045770, 114351100, 142938875, 160091540, 200114425, 285877750, 400228850, 571755500, 714694375, 800457700, 1000572125, 1429388750, 2001144250, 2858777500, 4002288500, 5002860625, 10005721250, 20011442500]

約数ペア:

[(1, 20011442500), (2, 10005721250), (4, 5002860625), (5, 4002288500), (7, 2858777500), (10, 2001144250), (14, 1429388750), (20, 1000572125), (25, 800457700), (28, 714694375), (35, 571755500), (50, 400228850), (70, 285877750), (100, 200114425), (125, 160091540), (140, 142938875), (175, 114351100), (250, 80045770), (350, 57175550), (500, 40022885), (625, 32018308), (700, 28587775), (787, 25427500), (875, 22870220), (1250, 16009154), (1453, 13772500), (1574, 12713750), (1750, 11435110), (2500, 8004577), (2906, 6886250), (3148, 6356875), (3500, 5717555), (3935, 5085500), (4375, 4574044), (5509, 3632500), (5812, 3443125), (7265, 2754500), (7870, 2542750), (8750, 2287022), (10171, 1967500), (11018, 1816250), (14530, 1377250), (15740, 1271375), (17500, 1143511), (19675, 1017100), (20342, 983750), (22036, 908125), (27545, 726500), (29060, 688625), (36325, 550900), (39350, 508550), (40684, 491875), (50855, 393500), (55090, 363250), (72650, 275450), (78700, 254275), (98375, 203420), (101710, 196750), (110180, 181625), (137725, 145300)]