388035960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{991}}^1$

素因数の和:1269

約数の個数: 128

約数和(自身を含む): 1259919360

約数和(自身を除く): 871883400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 251, 260, 312, 390, 502, 520, 753, 780, 991, 1004, 1255, 1506, 1560, 1982, 2008, 2510, 2973, 3012, 3263, 3765, 3964, 4955, 5020, 5946, 6024, 6526, 7530, 7928, 9789, 9910, 10040, 11892, 12883, 13052, 14865, 15060, 16315, 19578, 19820, 23784, 25766, 26104, 29730, 30120, 32630, 38649, 39156, 39640, 48945, 51532, 59460, 64415, 65260, 77298, 78312, 97890, 103064, 118920, 128830, 130520, 154596, 193245, 195780, 248741, 257660, 309192, 386490, 391560, 497482, 515320, 746223, 772980, 994964, 1243705, 1492446, 1545960, 1989928, 2487410, 2984892, 3233633, 3731115, 4974820, 5969784, 6467266, 7462230, 9700899, 9949640, 12934532, 14924460, 16168165, 19401798, 25869064, 29848920, 32336330, 38803596, 48504495, 64672660, 77607192, 97008990, 129345320, 194017980, 388035960]

約数ペア:

[(1, 388035960), (2, 194017980), (3, 129345320), (4, 97008990), (5, 77607192), (6, 64672660), (8, 48504495), (10, 38803596), (12, 32336330), (13, 29848920), (15, 25869064), (20, 19401798), (24, 16168165), (26, 14924460), (30, 12934532), (39, 9949640), (40, 9700899), (52, 7462230), (60, 6467266), (65, 5969784), (78, 4974820), (104, 3731115), (120, 3233633), (130, 2984892), (156, 2487410), (195, 1989928), (251, 1545960), (260, 1492446), (312, 1243705), (390, 994964), (502, 772980), (520, 746223), (753, 515320), (780, 497482), (991, 391560), (1004, 386490), (1255, 309192), (1506, 257660), (1560, 248741), (1982, 195780), (2008, 193245), (2510, 154596), (2973, 130520), (3012, 128830), (3263, 118920), (3765, 103064), (3964, 97890), (4955, 78312), (5020, 77298), (5946, 65260), (6024, 64415), (6526, 59460), (7530, 51532), (7928, 48945), (9789, 39640), (9910, 39156), (10040, 38649), (11892, 32630), (12883, 30120), (13052, 29730), (14865, 26104), (15060, 25766), (16315, 23784), (19578, 19820)]