211501840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7753}}^1$

素因数の和:7808

約数の個数: 80

約数和(自身を含む): 553821696

約数和(自身を除く): 342319856

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 7753, 13640, 15506, 27280, 31012, 38765, 62024, 77530, 85283, 124048, 155060, 170566, 240343, 310120, 341132, 426415, 480686, 620240, 682264, 852830, 961372, 1201715, 1364528, 1705660, 1922744, 2403430, 2643773, 3411320, 3845488, 4806860, 5287546, 6822640, 9613720, 10575092, 13218865, 19227440, 21150184, 26437730, 42300368, 52875460, 105750920, 211501840]

約数ペア:

[(1, 211501840), (2, 105750920), (4, 52875460), (5, 42300368), (8, 26437730), (10, 21150184), (11, 19227440), (16, 13218865), (20, 10575092), (22, 9613720), (31, 6822640), (40, 5287546), (44, 4806860), (55, 3845488), (62, 3411320), (80, 2643773), (88, 2403430), (110, 1922744), (124, 1705660), (155, 1364528), (176, 1201715), (220, 961372), (248, 852830), (310, 682264), (341, 620240), (440, 480686), (496, 426415), (620, 341132), (682, 310120), (880, 240343), (1240, 170566), (1364, 155060), (1705, 124048), (2480, 85283), (2728, 77530), (3410, 62024), (5456, 38765), (6820, 31012), (7753, 27280), (13640, 15506)]