187398540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{21247}}^1$

素因数の和:21276

約数の個数: 108

約数和(自身を含む): 661280256

約数和(自身を除く): 473881716

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 21247, 42494, 63741, 84988, 106235, 127482, 148729, 191223, 212470, 254964, 297458, 318705, 382446, 424940, 446187, 594916, 637410, 743645, 764892, 892374, 956115, 1041103, 1274820, 1338561, 1487290, 1784748, 1912230, 2082206, 2230935, 2677122, 2974580, 3123309, 3824460, 4164412, 4461870, 5205515, 5354244, 6246618, 6692805, 8923740, 9369927, 10411030, 12493236, 13385610, 15616545, 18739854, 20822060, 26771220, 31233090, 37479708, 46849635, 62466180, 93699270, 187398540]

約数ペア:

[(1, 187398540), (2, 93699270), (3, 62466180), (4, 46849635), (5, 37479708), (6, 31233090), (7, 26771220), (9, 20822060), (10, 18739854), (12, 15616545), (14, 13385610), (15, 12493236), (18, 10411030), (20, 9369927), (21, 8923740), (28, 6692805), (30, 6246618), (35, 5354244), (36, 5205515), (42, 4461870), (45, 4164412), (49, 3824460), (60, 3123309), (63, 2974580), (70, 2677122), (84, 2230935), (90, 2082206), (98, 1912230), (105, 1784748), (126, 1487290), (140, 1338561), (147, 1274820), (180, 1041103), (196, 956115), (210, 892374), (245, 764892), (252, 743645), (294, 637410), (315, 594916), (420, 446187), (441, 424940), (490, 382446), (588, 318705), (630, 297458), (735, 254964), (882, 212470), (980, 191223), (1260, 148729), (1470, 127482), (1764, 106235), (2205, 84988), (2940, 63741), (4410, 42494), (8820, 21247)]