215875340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 495801600

約数和(自身を除く): 279926260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 67, 76, 95, 122, 134, 139, 190, 244, 268, 278, 305, 335, 380, 556, 610, 670, 695, 1159, 1220, 1273, 1340, 1390, 2318, 2546, 2641, 2780, 4087, 4636, 5092, 5282, 5795, 6365, 8174, 8479, 9313, 10564, 11590, 12730, 13205, 16348, 16958, 18626, 20435, 23180, 25460, 26410, 33916, 37252, 40870, 42395, 46565, 52820, 77653, 81740, 84790, 93130, 155306, 161101, 169580, 176947, 186260, 310612, 322202, 353894, 388265, 568093, 644404, 707788, 776530, 805505, 884735, 1136186, 1553060, 1611010, 1769470, 2272372, 2840465, 3222020, 3538940, 5680930, 10793767, 11361860, 21587534, 43175068, 53968835, 107937670, 215875340]

約数ペア:

[(1, 215875340), (2, 107937670), (4, 53968835), (5, 43175068), (10, 21587534), (19, 11361860), (20, 10793767), (38, 5680930), (61, 3538940), (67, 3222020), (76, 2840465), (95, 2272372), (122, 1769470), (134, 1611010), (139, 1553060), (190, 1136186), (244, 884735), (268, 805505), (278, 776530), (305, 707788), (335, 644404), (380, 568093), (556, 388265), (610, 353894), (670, 322202), (695, 310612), (1159, 186260), (1220, 176947), (1273, 169580), (1340, 161101), (1390, 155306), (2318, 93130), (2546, 84790), (2641, 81740), (2780, 77653), (4087, 52820), (4636, 46565), (5092, 42395), (5282, 40870), (5795, 37252), (6365, 33916), (8174, 26410), (8479, 25460), (9313, 23180), (10564, 20435), (11590, 18626), (12730, 16958), (13205, 16348)]