40576900

素因数分解:

$2^2\times 5^2\times 7^4\times {\mathrm{13}}^2$

素因数の和:68

約数の個数: 135

約数和(自身を含む): 111230511

約数和(自身を除く): 70653611

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 130, 140, 169, 175, 182, 196, 245, 260, 325, 338, 343, 350, 364, 455, 490, 637, 650, 676, 686, 700, 845, 910, 980, 1183, 1225, 1274, 1300, 1372, 1690, 1715, 1820, 2275, 2366, 2401, 2450, 2548, 3185, 3380, 3430, 4225, 4459, 4550, 4732, 4802, 4900, 5915, 6370, 6860, 8281, 8450, 8575, 8918, 9100, 9604, 11830, 12005, 12740, 15925, 16562, 16900, 17150, 17836, 22295, 23660, 24010, 29575, 31213, 31850, 33124, 34300, 41405, 44590, 48020, 57967, 59150, 60025, 62426, 63700, 82810, 89180, 111475, 115934, 118300, 120050, 124852, 156065, 165620, 207025, 222950, 231868, 240100, 289835, 312130, 405769, 414050, 445900, 579670, 624260, 780325, 811538, 828100, 1159340, 1449175, 1560650, 1623076, 2028845, 2898350, 3121300, 4057690, 5796700, 8115380, 10144225, 20288450, 40576900]

約数ペア:

[(1, 40576900), (2, 20288450), (4, 10144225), (5, 8115380), (7, 5796700), (10, 4057690), (13, 3121300), (14, 2898350), (20, 2028845), (25, 1623076), (26, 1560650), (28, 1449175), (35, 1159340), (49, 828100), (50, 811538), (52, 780325), (65, 624260), (70, 579670), (91, 445900), (98, 414050), (100, 405769), (130, 312130), (140, 289835), (169, 240100), (175, 231868), (182, 222950), (196, 207025), (245, 165620), (260, 156065), (325, 124852), (338, 120050), (343, 118300), (350, 115934), (364, 111475), (455, 89180), (490, 82810), (637, 63700), (650, 62426), (676, 60025), (686, 59150), (700, 57967), (845, 48020), (910, 44590), (980, 41405), (1183, 34300), (1225, 33124), (1274, 31850), (1300, 31213), (1372, 29575), (1690, 24010), (1715, 23660), (1820, 22295), (2275, 17836), (2366, 17150), (2401, 16900), (2450, 16562), (2548, 15925), (3185, 12740), (3380, 12005), (3430, 11830), (4225, 9604), (4459, 9100), (4550, 8918), (4732, 8575), (4802, 8450), (4900, 8281), (5915, 6860)]