291928240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2221}}^1$

素因数の和:2318

約数の個数: 80

約数和(自身を含む): 714168576

約数和(自身を除く): 422240336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 530, 620, 848, 1060, 1240, 1643, 2120, 2221, 2480, 3286, 4240, 4442, 6572, 8215, 8884, 11105, 13144, 16430, 17768, 22210, 26288, 32860, 35536, 44420, 65720, 68851, 88840, 117713, 131440, 137702, 177680, 235426, 275404, 344255, 470852, 550808, 588565, 688510, 941704, 1101616, 1177130, 1377020, 1883408, 2354260, 2754040, 3649103, 4708520, 5508080, 7298206, 9417040, 14596412, 18245515, 29192824, 36491030, 58385648, 72982060, 145964120, 291928240]

約数ペア:

[(1, 291928240), (2, 145964120), (4, 72982060), (5, 58385648), (8, 36491030), (10, 29192824), (16, 18245515), (20, 14596412), (31, 9417040), (40, 7298206), (53, 5508080), (62, 4708520), (80, 3649103), (106, 2754040), (124, 2354260), (155, 1883408), (212, 1377020), (248, 1177130), (265, 1101616), (310, 941704), (424, 688510), (496, 588565), (530, 550808), (620, 470852), (848, 344255), (1060, 275404), (1240, 235426), (1643, 177680), (2120, 137702), (2221, 131440), (2480, 117713), (3286, 88840), (4240, 68851), (4442, 65720), (6572, 44420), (8215, 35536), (8884, 32860), (11105, 26288), (13144, 22210), (16430, 17768)]