188971020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3191}}^1$

素因数の和:3260

約数の個数: 144

約数和(自身を含む): 669247488

約数和(自身を除く): 480276468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 846, 940, 987, 1260, 1316, 1410, 1645, 1692, 1974, 2115, 2820, 2961, 3191, 3290, 3948, 4230, 4935, 5922, 6382, 6580, 8460, 9573, 9870, 11844, 12764, 14805, 15955, 19146, 19740, 22337, 28719, 29610, 31910, 38292, 44674, 47865, 57438, 59220, 63820, 67011, 89348, 95730, 111685, 114876, 134022, 143595, 149977, 191460, 201033, 223370, 268044, 287190, 299954, 335055, 402066, 446740, 449931, 574380, 599908, 670110, 749885, 804132, 899862, 1005165, 1049839, 1340220, 1349793, 1499770, 1799724, 2010330, 2099678, 2249655, 2699586, 2999540, 3149517, 4020660, 4199356, 4499310, 5249195, 5399172, 6299034, 6748965, 8998620, 9448551, 10498390, 12598068, 13497930, 15747585, 18897102, 20996780, 26995860, 31495170, 37794204, 47242755, 62990340, 94485510, 188971020]

約数ペア:

[(1, 188971020), (2, 94485510), (3, 62990340), (4, 47242755), (5, 37794204), (6, 31495170), (7, 26995860), (9, 20996780), (10, 18897102), (12, 15747585), (14, 13497930), (15, 12598068), (18, 10498390), (20, 9448551), (21, 8998620), (28, 6748965), (30, 6299034), (35, 5399172), (36, 5249195), (42, 4499310), (45, 4199356), (47, 4020660), (60, 3149517), (63, 2999540), (70, 2699586), (84, 2249655), (90, 2099678), (94, 2010330), (105, 1799724), (126, 1499770), (140, 1349793), (141, 1340220), (180, 1049839), (188, 1005165), (210, 899862), (235, 804132), (252, 749885), (282, 670110), (315, 599908), (329, 574380), (420, 449931), (423, 446740), (470, 402066), (564, 335055), (630, 299954), (658, 287190), (705, 268044), (846, 223370), (940, 201033), (987, 191460), (1260, 149977), (1316, 143595), (1410, 134022), (1645, 114876), (1692, 111685), (1974, 95730), (2115, 89348), (2820, 67011), (2961, 63820), (3191, 59220), (3290, 57438), (3948, 47865), (4230, 44674), (4935, 38292), (5922, 31910), (6382, 29610), (6580, 28719), (8460, 22337), (9573, 19740), (9870, 19146), (11844, 15955), (12764, 14805)]