2009198720

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{184669}}^1$

素因数の和:184705

約数の個数: 64

約数和(自身を含む): 5085811800

約数和(自身を除く): 3076613080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 184669, 369338, 738676, 923345, 1477352, 1846690, 2954704, 3139373, 3693380, 5909408, 6278746, 7386760, 11818816, 12557492, 14773520, 15696865, 23637632, 25114984, 29547040, 31393730, 50229968, 59094080, 62787460, 100459936, 118188160, 125574920, 200919872, 251149840, 401839744, 502299680, 1004599360, 2009198720]

約数ペア:

[(1, 2009198720), (2, 1004599360), (4, 502299680), (5, 401839744), (8, 251149840), (10, 200919872), (16, 125574920), (17, 118188160), (20, 100459936), (32, 62787460), (34, 59094080), (40, 50229968), (64, 31393730), (68, 29547040), (80, 25114984), (85, 23637632), (128, 15696865), (136, 14773520), (160, 12557492), (170, 11818816), (272, 7386760), (320, 6278746), (340, 5909408), (544, 3693380), (640, 3139373), (680, 2954704), (1088, 1846690), (1360, 1477352), (2176, 923345), (2720, 738676), (5440, 369338), (10880, 184669)]