129149720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14879}}^1$

素因数の和:14928

約数の個数: 64

約数和(自身を含む): 342835200

約数和(自身を除く): 213685480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 14879, 29758, 59516, 74395, 104153, 119032, 148790, 208306, 297580, 416612, 461249, 520765, 595160, 833224, 922498, 1041530, 1844996, 2083060, 2306245, 3228743, 3689992, 4166120, 4612490, 6457486, 9224980, 12914972, 16143715, 18449960, 25829944, 32287430, 64574860, 129149720]

約数ペア:

[(1, 129149720), (2, 64574860), (4, 32287430), (5, 25829944), (7, 18449960), (8, 16143715), (10, 12914972), (14, 9224980), (20, 6457486), (28, 4612490), (31, 4166120), (35, 3689992), (40, 3228743), (56, 2306245), (62, 2083060), (70, 1844996), (124, 1041530), (140, 922498), (155, 833224), (217, 595160), (248, 520765), (280, 461249), (310, 416612), (434, 297580), (620, 208306), (868, 148790), (1085, 119032), (1240, 104153), (1736, 74395), (2170, 59516), (4340, 29758), (8680, 14879)]