1285191908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:370

約数の個数: 192

約数和(自身を含む): 3251404800

約数和(自身を除く): 1966212892

約数列:

[1, 2, 4, 7, 11, 13, 14, 17, 22, 26, 28, 34, 44, 52, 68, 77, 79, 91, 119, 143, 154, 158, 182, 187, 221, 238, 239, 286, 308, 316, 364, 374, 442, 476, 478, 553, 572, 748, 869, 884, 956, 1001, 1027, 1106, 1309, 1343, 1547, 1673, 1738, 2002, 2054, 2212, 2431, 2618, 2629, 2686, 3094, 3107, 3346, 3476, 4004, 4063, 4108, 4862, 5236, 5258, 5372, 6083, 6188, 6214, 6692, 7189, 8126, 9401, 9724, 10516, 11297, 12166, 12428, 14378, 14773, 16252, 17017, 17459, 18403, 18802, 18881, 21749, 22594, 24332, 28441, 28756, 29546, 34034, 34177, 34918, 36806, 37604, 37762, 43498, 44693, 45188, 52819, 56882, 59092, 68068, 68354, 69836, 73612, 75524, 79079, 86996, 89386, 103411, 105638, 113764, 122213, 132167, 136708, 158158, 178772, 192049, 206822, 207691, 211276, 239239, 244426, 245453, 264334, 312851, 316316, 320977, 369733, 384098, 413644, 415382, 478478, 488852, 490906, 528668, 581009, 625702, 641954, 739466, 768196, 830764, 956956, 981812, 1162018, 1251404, 1283908, 1344343, 1453837, 1478932, 1718171, 2246839, 2324036, 2688686, 2699983, 2907674, 3436342, 3530747, 4067063, 4172701, 4493678, 5377372, 5399966, 5815348, 6872684, 7061494, 8134126, 8345402, 8987356, 10799932, 14122988, 16268252, 16690804, 18899881, 24715229, 29208907, 37799762, 45899711, 49430458, 58417814, 75599524, 91799422, 98860916, 116835628, 183598844, 321297977, 642595954, 1285191908]

約数ペア:

[(1, 1285191908), (2, 642595954), (4, 321297977), (7, 183598844), (11, 116835628), (13, 98860916), (14, 91799422), (17, 75599524), (22, 58417814), (26, 49430458), (28, 45899711), (34, 37799762), (44, 29208907), (52, 24715229), (68, 18899881), (77, 16690804), (79, 16268252), (91, 14122988), (119, 10799932), (143, 8987356), (154, 8345402), (158, 8134126), (182, 7061494), (187, 6872684), (221, 5815348), (238, 5399966), (239, 5377372), (286, 4493678), (308, 4172701), (316, 4067063), (364, 3530747), (374, 3436342), (442, 2907674), (476, 2699983), (478, 2688686), (553, 2324036), (572, 2246839), (748, 1718171), (869, 1478932), (884, 1453837), (956, 1344343), (1001, 1283908), (1027, 1251404), (1106, 1162018), (1309, 981812), (1343, 956956), (1547, 830764), (1673, 768196), (1738, 739466), (2002, 641954), (2054, 625702), (2212, 581009), (2431, 528668), (2618, 490906), (2629, 488852), (2686, 478478), (3094, 415382), (3107, 413644), (3346, 384098), (3476, 369733), (4004, 320977), (4063, 316316), (4108, 312851), (4862, 264334), (5236, 245453), (5258, 244426), (5372, 239239), (6083, 211276), (6188, 207691), (6214, 206822), (6692, 192049), (7189, 178772), (8126, 158158), (9401, 136708), (9724, 132167), (10516, 122213), (11297, 113764), (12166, 105638), (12428, 103411), (14378, 89386), (14773, 86996), (16252, 79079), (17017, 75524), (17459, 73612), (18403, 69836), (18802, 68354), (18881, 68068), (21749, 59092), (22594, 56882), (24332, 52819), (28441, 45188), (28756, 44693), (29546, 43498), (34034, 37762), (34177, 37604), (34918, 36806)]