388618620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{829}}^1$

素因数の和:1455

約数の個数: 96

約数和(自身を含む): 1175200320

約数和(自身を除く): 786581700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 601, 780, 829, 1202, 1658, 1803, 2404, 2487, 3005, 3316, 3606, 4145, 4974, 6010, 7212, 7813, 8290, 9015, 9948, 10777, 12020, 12435, 15626, 16580, 18030, 21554, 23439, 24870, 31252, 32331, 36060, 39065, 43108, 46878, 49740, 53885, 64662, 78130, 93756, 107770, 117195, 129324, 156260, 161655, 215540, 234390, 323310, 468780, 498229, 646620, 996458, 1494687, 1992916, 2491145, 2989374, 4982290, 5978748, 6476977, 7473435, 9964580, 12953954, 14946870, 19430931, 25907908, 29893740, 32384885, 38861862, 64769770, 77723724, 97154655, 129539540, 194309310, 388618620]

約数ペア:

[(1, 388618620), (2, 194309310), (3, 129539540), (4, 97154655), (5, 77723724), (6, 64769770), (10, 38861862), (12, 32384885), (13, 29893740), (15, 25907908), (20, 19430931), (26, 14946870), (30, 12953954), (39, 9964580), (52, 7473435), (60, 6476977), (65, 5978748), (78, 4982290), (130, 2989374), (156, 2491145), (195, 1992916), (260, 1494687), (390, 996458), (601, 646620), (780, 498229), (829, 468780), (1202, 323310), (1658, 234390), (1803, 215540), (2404, 161655), (2487, 156260), (3005, 129324), (3316, 117195), (3606, 107770), (4145, 93756), (4974, 78130), (6010, 64662), (7212, 53885), (7813, 49740), (8290, 46878), (9015, 43108), (9948, 39065), (10777, 36060), (12020, 32331), (12435, 31252), (15626, 24870), (16580, 23439), (18030, 21554)]