89849804900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1619}}^1\times {\mathrm{29209}}^1$

素因数の和:30861

約数の個数: 72

約数和(自身を含む): 205369668000

約数和(自身を除く): 115519863100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1619, 1900, 3238, 6476, 8095, 16190, 29209, 30761, 32380, 40475, 58418, 61522, 80950, 116836, 123044, 146045, 153805, 161900, 292090, 307610, 554971, 584180, 615220, 730225, 769025, 1109942, 1460450, 1538050, 2219884, 2774855, 2920900, 3076100, 5549710, 11099420, 13874275, 27748550, 47289371, 55497100, 94578742, 189157484, 236446855, 472893710, 898498049, 945787420, 1182234275, 1796996098, 2364468550, 3593992196, 4492490245, 4728937100, 8984980490, 17969960980, 22462451225, 44924902450, 89849804900]

約数ペア:

[(1, 89849804900), (2, 44924902450), (4, 22462451225), (5, 17969960980), (10, 8984980490), (19, 4728937100), (20, 4492490245), (25, 3593992196), (38, 2364468550), (50, 1796996098), (76, 1182234275), (95, 945787420), (100, 898498049), (190, 472893710), (380, 236446855), (475, 189157484), (950, 94578742), (1619, 55497100), (1900, 47289371), (3238, 27748550), (6476, 13874275), (8095, 11099420), (16190, 5549710), (29209, 3076100), (30761, 2920900), (32380, 2774855), (40475, 2219884), (58418, 1538050), (61522, 1460450), (80950, 1109942), (116836, 769025), (123044, 730225), (146045, 615220), (153805, 584180), (161900, 554971), (292090, 307610)]