280002996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{673}}^1$

素因数の和:830

約数の個数: 144

約数和(自身を含む): 879284224

約数和(自身を除く): 599281228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 127, 156, 182, 234, 252, 254, 273, 364, 381, 468, 508, 546, 673, 762, 819, 889, 1092, 1143, 1346, 1524, 1638, 1651, 1778, 2019, 2286, 2667, 2692, 3276, 3302, 3556, 4038, 4572, 4711, 4953, 5334, 6057, 6604, 8001, 8076, 8749, 9422, 9906, 10668, 11557, 12114, 14133, 14859, 16002, 17498, 18844, 19812, 23114, 24228, 26247, 28266, 29718, 32004, 34671, 34996, 42399, 46228, 52494, 56532, 59436, 61243, 69342, 78741, 84798, 85471, 104013, 104988, 122486, 138684, 157482, 169596, 170942, 183729, 208026, 244972, 256413, 314964, 341884, 367458, 416052, 512826, 551187, 598297, 734916, 769239, 1025652, 1102374, 1111123, 1196594, 1538478, 1794891, 2204748, 2222246, 2393188, 3076956, 3333369, 3589782, 4444492, 5384673, 6666738, 7179564, 7777861, 10000107, 10769346, 13333476, 15555722, 20000214, 21538692, 23333583, 31111444, 40000428, 46667166, 70000749, 93334332, 140001498, 280002996]

約数ペア:

[(1, 280002996), (2, 140001498), (3, 93334332), (4, 70000749), (6, 46667166), (7, 40000428), (9, 31111444), (12, 23333583), (13, 21538692), (14, 20000214), (18, 15555722), (21, 13333476), (26, 10769346), (28, 10000107), (36, 7777861), (39, 7179564), (42, 6666738), (52, 5384673), (63, 4444492), (78, 3589782), (84, 3333369), (91, 3076956), (117, 2393188), (126, 2222246), (127, 2204748), (156, 1794891), (182, 1538478), (234, 1196594), (252, 1111123), (254, 1102374), (273, 1025652), (364, 769239), (381, 734916), (468, 598297), (508, 551187), (546, 512826), (673, 416052), (762, 367458), (819, 341884), (889, 314964), (1092, 256413), (1143, 244972), (1346, 208026), (1524, 183729), (1638, 170942), (1651, 169596), (1778, 157482), (2019, 138684), (2286, 122486), (2667, 104988), (2692, 104013), (3276, 85471), (3302, 84798), (3556, 78741), (4038, 69342), (4572, 61243), (4711, 59436), (4953, 56532), (5334, 52494), (6057, 46228), (6604, 42399), (8001, 34996), (8076, 34671), (8749, 32004), (9422, 29718), (9906, 28266), (10668, 26247), (11557, 24228), (12114, 23114), (14133, 19812), (14859, 18844), (16002, 17498)]