207399320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 520914240

約数和(自身を除く): 313514920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 43, 68, 82, 85, 86, 136, 164, 170, 172, 173, 205, 215, 328, 340, 344, 346, 410, 430, 680, 692, 697, 731, 820, 860, 865, 1384, 1394, 1462, 1640, 1720, 1730, 1763, 2788, 2924, 2941, 3460, 3485, 3526, 3655, 5576, 5848, 5882, 6920, 6970, 7052, 7093, 7310, 7439, 8815, 11764, 13940, 14104, 14186, 14620, 14705, 14878, 17630, 23528, 27880, 28372, 29240, 29410, 29756, 29971, 35260, 35465, 37195, 56744, 58820, 59512, 59942, 70520, 70930, 74390, 117640, 119884, 120581, 126463, 141860, 148780, 149855, 239768, 241162, 252926, 283720, 297560, 299710, 304999, 482324, 505852, 599420, 602905, 609998, 632315, 964648, 1011704, 1198840, 1205810, 1219996, 1264630, 1524995, 2411620, 2439992, 2529260, 3049990, 4823240, 5058520, 5184983, 6099980, 10369966, 12199960, 20739932, 25924915, 41479864, 51849830, 103699660, 207399320]

約数ペア:

[(1, 207399320), (2, 103699660), (4, 51849830), (5, 41479864), (8, 25924915), (10, 20739932), (17, 12199960), (20, 10369966), (34, 6099980), (40, 5184983), (41, 5058520), (43, 4823240), (68, 3049990), (82, 2529260), (85, 2439992), (86, 2411620), (136, 1524995), (164, 1264630), (170, 1219996), (172, 1205810), (173, 1198840), (205, 1011704), (215, 964648), (328, 632315), (340, 609998), (344, 602905), (346, 599420), (410, 505852), (430, 482324), (680, 304999), (692, 299710), (697, 297560), (731, 283720), (820, 252926), (860, 241162), (865, 239768), (1384, 149855), (1394, 148780), (1462, 141860), (1640, 126463), (1720, 120581), (1730, 119884), (1763, 117640), (2788, 74390), (2924, 70930), (2941, 70520), (3460, 59942), (3485, 59512), (3526, 58820), (3655, 56744), (5576, 37195), (5848, 35465), (5882, 35260), (6920, 29971), (6970, 29756), (7052, 29410), (7093, 29240), (7310, 28372), (7439, 27880), (8815, 23528), (11764, 17630), (13940, 14878), (14104, 14705), (14186, 14620)]