280683972

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{937}}^1$

素因数の和:1157

約数の個数: 72

約数和(自身を含む): 728274456

約数和(自身を除く): 447590484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 157, 159, 212, 314, 318, 471, 477, 628, 636, 937, 942, 954, 1413, 1874, 1884, 1908, 2811, 2826, 3748, 5622, 5652, 8321, 8433, 11244, 16642, 16866, 24963, 33284, 33732, 49661, 49926, 74889, 99322, 99852, 147109, 148983, 149778, 198644, 294218, 297966, 299556, 441327, 446949, 588436, 595932, 882654, 893898, 1323981, 1765308, 1787796, 2647962, 5295924, 7796777, 15593554, 23390331, 31187108, 46780662, 70170993, 93561324, 140341986, 280683972]

約数ペア:

[(1, 280683972), (2, 140341986), (3, 93561324), (4, 70170993), (6, 46780662), (9, 31187108), (12, 23390331), (18, 15593554), (36, 7796777), (53, 5295924), (106, 2647962), (157, 1787796), (159, 1765308), (212, 1323981), (314, 893898), (318, 882654), (471, 595932), (477, 588436), (628, 446949), (636, 441327), (937, 299556), (942, 297966), (954, 294218), (1413, 198644), (1874, 149778), (1884, 148983), (1908, 147109), (2811, 99852), (2826, 99322), (3748, 74889), (5622, 49926), (5652, 49661), (8321, 33732), (8433, 33284), (11244, 24963), (16642, 16866)]