8889797900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1777}}^1\times {\mathrm{2633}}^1$

素因数の和:4443

約数の個数: 72

約数和(自身を含む): 20325313680

約数和(自身を除く): 11435515780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1777, 1900, 2633, 3554, 5266, 7108, 8885, 10532, 13165, 17770, 26330, 33763, 35540, 44425, 50027, 52660, 65825, 67526, 88850, 100054, 131650, 135052, 168815, 177700, 200108, 250135, 263300, 337630, 500270, 675260, 844075, 1000540, 1250675, 1688150, 2501350, 3376300, 4678841, 5002700, 9357682, 18715364, 23394205, 46788410, 88897979, 93576820, 116971025, 177795958, 233942050, 355591916, 444489895, 467884100, 888979790, 1777959580, 2222449475, 4444898950, 8889797900]

約数ペア:

[(1, 8889797900), (2, 4444898950), (4, 2222449475), (5, 1777959580), (10, 888979790), (19, 467884100), (20, 444489895), (25, 355591916), (38, 233942050), (50, 177795958), (76, 116971025), (95, 93576820), (100, 88897979), (190, 46788410), (380, 23394205), (475, 18715364), (950, 9357682), (1777, 5002700), (1900, 4678841), (2633, 3376300), (3554, 2501350), (5266, 1688150), (7108, 1250675), (8885, 1000540), (10532, 844075), (13165, 675260), (17770, 500270), (26330, 337630), (33763, 263300), (35540, 250135), (44425, 200108), (50027, 177700), (52660, 168815), (65825, 135052), (67526, 131650), (88850, 100054)]