29998920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:595

約数の個数: 128

約数和(自身を含む): 104509440

約数和(自身を除く): 74510520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 503, 568, 710, 840, 852, 994, 1006, 1065, 1420, 1491, 1509, 1704, 1988, 2012, 2130, 2485, 2515, 2840, 2982, 3018, 3521, 3976, 4024, 4260, 4970, 5030, 5964, 6036, 7042, 7455, 7545, 8520, 9940, 10060, 10563, 11928, 12072, 14084, 14910, 15090, 17605, 19880, 20120, 21126, 28168, 29820, 30180, 35210, 35713, 42252, 52815, 59640, 60360, 70420, 71426, 84504, 105630, 107139, 140840, 142852, 178565, 211260, 214278, 249991, 285704, 357130, 422520, 428556, 499982, 535695, 714260, 749973, 857112, 999964, 1071390, 1249955, 1428520, 1499946, 1999928, 2142780, 2499910, 2999892, 3749865, 4285560, 4999820, 5999784, 7499730, 9999640, 14999460, 29998920]

約数ペア:

[(1, 29998920), (2, 14999460), (3, 9999640), (4, 7499730), (5, 5999784), (6, 4999820), (7, 4285560), (8, 3749865), (10, 2999892), (12, 2499910), (14, 2142780), (15, 1999928), (20, 1499946), (21, 1428520), (24, 1249955), (28, 1071390), (30, 999964), (35, 857112), (40, 749973), (42, 714260), (56, 535695), (60, 499982), (70, 428556), (71, 422520), (84, 357130), (105, 285704), (120, 249991), (140, 214278), (142, 211260), (168, 178565), (210, 142852), (213, 140840), (280, 107139), (284, 105630), (355, 84504), (420, 71426), (426, 70420), (497, 60360), (503, 59640), (568, 52815), (710, 42252), (840, 35713), (852, 35210), (994, 30180), (1006, 29820), (1065, 28168), (1420, 21126), (1491, 20120), (1509, 19880), (1704, 17605), (1988, 15090), (2012, 14910), (2130, 14084), (2485, 12072), (2515, 11928), (2840, 10563), (2982, 10060), (3018, 9940), (3521, 8520), (3976, 7545), (4024, 7455), (4260, 7042), (4970, 6036), (5030, 5964)]