91811900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1019}}^1$

素因数の和:1103

約数の個数: 72

約数和(自身を含む): 215142480

約数和(自身を除く): 123330580

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 53, 68, 85, 100, 106, 170, 212, 265, 340, 425, 530, 850, 901, 1019, 1060, 1325, 1700, 1802, 2038, 2650, 3604, 4076, 4505, 5095, 5300, 9010, 10190, 17323, 18020, 20380, 22525, 25475, 34646, 45050, 50950, 54007, 69292, 86615, 90100, 101900, 108014, 173230, 216028, 270035, 346460, 433075, 540070, 866150, 918119, 1080140, 1350175, 1732300, 1836238, 2700350, 3672476, 4590595, 5400700, 9181190, 18362380, 22952975, 45905950, 91811900]

約数ペア:

[(1, 91811900), (2, 45905950), (4, 22952975), (5, 18362380), (10, 9181190), (17, 5400700), (20, 4590595), (25, 3672476), (34, 2700350), (50, 1836238), (53, 1732300), (68, 1350175), (85, 1080140), (100, 918119), (106, 866150), (170, 540070), (212, 433075), (265, 346460), (340, 270035), (425, 216028), (530, 173230), (850, 108014), (901, 101900), (1019, 90100), (1060, 86615), (1325, 69292), (1700, 54007), (1802, 50950), (2038, 45050), (2650, 34646), (3604, 25475), (4076, 22525), (4505, 20380), (5095, 18020), (5300, 17323), (9010, 10190)]