139891840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:702

約数の個数: 128

約数和(自身を含む): 377187840

約数和(自身を除く): 237296000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 640, 641, 682, 704, 880, 992, 1240, 1282, 1364, 1408, 1705, 1760, 1984, 2480, 2564, 2728, 3205, 3410, 3520, 3968, 4960, 5128, 5456, 6410, 6820, 7040, 7051, 9920, 10256, 10912, 12820, 13640, 14102, 19840, 19871, 20512, 21824, 25640, 27280, 28204, 35255, 39742, 41024, 43648, 51280, 54560, 56408, 70510, 79484, 82048, 99355, 102560, 109120, 112816, 141020, 158968, 198710, 205120, 218240, 218581, 225632, 282040, 317936, 397420, 410240, 437162, 451264, 564080, 635872, 794840, 874324, 902528, 1092905, 1128160, 1271744, 1589680, 1748648, 2185810, 2256320, 2543488, 3179360, 3497296, 4371620, 4512640, 6358720, 6994592, 8743240, 12717440, 13989184, 17486480, 27978368, 34972960, 69945920, 139891840]

約数ペア:

[(1, 139891840), (2, 69945920), (4, 34972960), (5, 27978368), (8, 17486480), (10, 13989184), (11, 12717440), (16, 8743240), (20, 6994592), (22, 6358720), (31, 4512640), (32, 4371620), (40, 3497296), (44, 3179360), (55, 2543488), (62, 2256320), (64, 2185810), (80, 1748648), (88, 1589680), (110, 1271744), (124, 1128160), (128, 1092905), (155, 902528), (160, 874324), (176, 794840), (220, 635872), (248, 564080), (310, 451264), (320, 437162), (341, 410240), (352, 397420), (440, 317936), (496, 282040), (620, 225632), (640, 218581), (641, 218240), (682, 205120), (704, 198710), (880, 158968), (992, 141020), (1240, 112816), (1282, 109120), (1364, 102560), (1408, 99355), (1705, 82048), (1760, 79484), (1984, 70510), (2480, 56408), (2564, 54560), (2728, 51280), (3205, 43648), (3410, 41024), (3520, 39742), (3968, 35255), (4960, 28204), (5128, 27280), (5456, 25640), (6410, 21824), (6820, 20512), (7040, 19871), (7051, 19840), (9920, 14102), (10256, 13640), (10912, 12820)]