816084220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 2059223040

約数和(自身を除く): 1243138820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 83, 98, 127, 140, 158, 166, 196, 245, 254, 316, 332, 395, 415, 490, 508, 553, 581, 635, 790, 830, 889, 980, 1106, 1162, 1270, 1580, 1660, 1778, 2212, 2324, 2540, 2765, 2905, 3556, 3871, 4067, 4445, 5530, 5810, 6223, 6557, 7742, 8134, 8890, 10033, 10541, 11060, 11620, 12446, 13114, 15484, 16268, 17780, 19355, 20066, 20335, 21082, 24892, 26228, 31115, 32785, 38710, 40132, 40670, 42164, 45899, 50165, 52705, 62230, 65570, 70231, 73787, 77420, 81340, 91798, 100330, 105410, 124460, 131140, 140462, 147574, 183596, 200660, 210820, 229495, 280924, 295148, 321293, 351155, 368935, 458990, 491617, 516509, 642586, 702310, 737870, 832739, 917980, 983234, 1033018, 1285172, 1404620, 1475740, 1606465, 1665478, 1966468, 2066036, 2458085, 2582545, 3212930, 3330956, 4163695, 4916170, 5165090, 5829173, 6425860, 8327390, 9832340, 10330180, 11658346, 16654780, 23316692, 29145865, 40804211, 58291730, 81608422, 116583460, 163216844, 204021055, 408042110, 816084220]

約数ペア:

[(1, 816084220), (2, 408042110), (4, 204021055), (5, 163216844), (7, 116583460), (10, 81608422), (14, 58291730), (20, 40804211), (28, 29145865), (35, 23316692), (49, 16654780), (70, 11658346), (79, 10330180), (83, 9832340), (98, 8327390), (127, 6425860), (140, 5829173), (158, 5165090), (166, 4916170), (196, 4163695), (245, 3330956), (254, 3212930), (316, 2582545), (332, 2458085), (395, 2066036), (415, 1966468), (490, 1665478), (508, 1606465), (553, 1475740), (581, 1404620), (635, 1285172), (790, 1033018), (830, 983234), (889, 917980), (980, 832739), (1106, 737870), (1162, 702310), (1270, 642586), (1580, 516509), (1660, 491617), (1778, 458990), (2212, 368935), (2324, 351155), (2540, 321293), (2765, 295148), (2905, 280924), (3556, 229495), (3871, 210820), (4067, 200660), (4445, 183596), (5530, 147574), (5810, 140462), (6223, 131140), (6557, 124460), (7742, 105410), (8134, 100330), (8890, 91798), (10033, 81340), (10541, 77420), (11060, 73787), (11620, 70231), (12446, 65570), (13114, 62230), (15484, 52705), (16268, 50165), (17780, 45899), (19355, 42164), (20066, 40670), (20335, 40132), (21082, 38710), (24892, 32785), (26228, 31115)]