3121300

素因数分解:

$2^2\times 5^2\times 7^4\times {\mathrm{13}}^1$

素因数の和:55

約数の個数: 90

約数和(自身を含む): 8509438

約数和(自身を除く): 5388138

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, 175, 182, 196, 245, 260, 325, 343, 350, 364, 455, 490, 637, 650, 686, 700, 910, 980, 1225, 1274, 1300, 1372, 1715, 1820, 2275, 2401, 2450, 2548, 3185, 3430, 4459, 4550, 4802, 4900, 6370, 6860, 8575, 8918, 9100, 9604, 12005, 12740, 15925, 17150, 17836, 22295, 24010, 31213, 31850, 34300, 44590, 48020, 60025, 62426, 63700, 89180, 111475, 120050, 124852, 156065, 222950, 240100, 312130, 445900, 624260, 780325, 1560650, 3121300]

約数ペア:

[(1, 3121300), (2, 1560650), (4, 780325), (5, 624260), (7, 445900), (10, 312130), (13, 240100), (14, 222950), (20, 156065), (25, 124852), (26, 120050), (28, 111475), (35, 89180), (49, 63700), (50, 62426), (52, 60025), (65, 48020), (70, 44590), (91, 34300), (98, 31850), (100, 31213), (130, 24010), (140, 22295), (175, 17836), (182, 17150), (196, 15925), (245, 12740), (260, 12005), (325, 9604), (343, 9100), (350, 8918), (364, 8575), (455, 6860), (490, 6370), (637, 4900), (650, 4802), (686, 4550), (700, 4459), (910, 3430), (980, 3185), (1225, 2548), (1274, 2450), (1300, 2401), (1372, 2275), (1715, 1820)]