78990296

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 206323200

約数和(自身を除く): 127332904

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 19, 22, 28, 34, 38, 44, 56, 68, 76, 77, 88, 119, 133, 136, 152, 154, 187, 209, 238, 266, 308, 323, 374, 397, 418, 476, 532, 616, 646, 748, 794, 836, 952, 1064, 1292, 1309, 1463, 1496, 1588, 1672, 2261, 2584, 2618, 2779, 2926, 3176, 3553, 4367, 4522, 5236, 5558, 5852, 6749, 7106, 7543, 8734, 9044, 10472, 11116, 11704, 13498, 14212, 15086, 17468, 18088, 22232, 24871, 26996, 28424, 30172, 30569, 34936, 47243, 49742, 52801, 53992, 60344, 61138, 74239, 82973, 94486, 99484, 105602, 122276, 128231, 148478, 165946, 188972, 198968, 211204, 244552, 256462, 296956, 331892, 377944, 422408, 512924, 519673, 580811, 593912, 663784, 897617, 1025848, 1039346, 1161622, 1410541, 1795234, 2078692, 2323244, 2821082, 3590468, 4157384, 4646488, 5642164, 7180936, 9873787, 11284328, 19747574, 39495148, 78990296]

約数ペア:

[(1, 78990296), (2, 39495148), (4, 19747574), (7, 11284328), (8, 9873787), (11, 7180936), (14, 5642164), (17, 4646488), (19, 4157384), (22, 3590468), (28, 2821082), (34, 2323244), (38, 2078692), (44, 1795234), (56, 1410541), (68, 1161622), (76, 1039346), (77, 1025848), (88, 897617), (119, 663784), (133, 593912), (136, 580811), (152, 519673), (154, 512924), (187, 422408), (209, 377944), (238, 331892), (266, 296956), (308, 256462), (323, 244552), (374, 211204), (397, 198968), (418, 188972), (476, 165946), (532, 148478), (616, 128231), (646, 122276), (748, 105602), (794, 99484), (836, 94486), (952, 82973), (1064, 74239), (1292, 61138), (1309, 60344), (1463, 53992), (1496, 52801), (1588, 49742), (1672, 47243), (2261, 34936), (2584, 30569), (2618, 30172), (2779, 28424), (2926, 26996), (3176, 24871), (3553, 22232), (4367, 18088), (4522, 17468), (5236, 15086), (5558, 14212), (5852, 13498), (6749, 11704), (7106, 11116), (7543, 10472), (8734, 9044)]