15227900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 35154000

約数和(自身を除く): 19926100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 59, 89, 100, 116, 118, 145, 178, 236, 290, 295, 356, 445, 580, 590, 725, 890, 1180, 1450, 1475, 1711, 1780, 2225, 2581, 2900, 2950, 3422, 4450, 5162, 5251, 5900, 6844, 8555, 8900, 10324, 10502, 12905, 17110, 21004, 25810, 26255, 34220, 42775, 51620, 52510, 64525, 85550, 105020, 129050, 131275, 152279, 171100, 258100, 262550, 304558, 525100, 609116, 761395, 1522790, 3045580, 3806975, 7613950, 15227900]

約数ペア:

[(1, 15227900), (2, 7613950), (4, 3806975), (5, 3045580), (10, 1522790), (20, 761395), (25, 609116), (29, 525100), (50, 304558), (58, 262550), (59, 258100), (89, 171100), (100, 152279), (116, 131275), (118, 129050), (145, 105020), (178, 85550), (236, 64525), (290, 52510), (295, 51620), (356, 42775), (445, 34220), (580, 26255), (590, 25810), (725, 21004), (890, 17110), (1180, 12905), (1450, 10502), (1475, 10324), (1711, 8900), (1780, 8555), (2225, 6844), (2581, 5900), (2900, 5251), (2950, 5162), (3422, 4450)]