1289904420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{14153}}^1$

素因数の和:14210

約数の個数: 144

約数和(自身を含む): 4337238528

約数和(自身を除く): 3047334108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2604, 2940, 3038, 3255, 4340, 4557, 6076, 6510, 7595, 9114, 13020, 14153, 15190, 18228, 22785, 28306, 30380, 42459, 45570, 56612, 70765, 84918, 91140, 99071, 141530, 169836, 198142, 212295, 283060, 297213, 396284, 424590, 438743, 495355, 594426, 693497, 849180, 877486, 990710, 1188852, 1316229, 1386994, 1486065, 1754972, 1981420, 2080491, 2193715, 2632458, 2773988, 2972130, 3071201, 3467485, 4160982, 4387430, 5264916, 5944260, 6142402, 6581145, 6934970, 8321964, 8774860, 9213603, 10402455, 12284804, 13162290, 13869940, 15356005, 18427206, 20804910, 21498407, 26324580, 30712010, 36854412, 41609820, 42996814, 46068015, 61424020, 64495221, 85993628, 92136030, 107492035, 128990442, 184272060, 214984070, 257980884, 322476105, 429968140, 644952210, 1289904420]

約数ペア:

[(1, 1289904420), (2, 644952210), (3, 429968140), (4, 322476105), (5, 257980884), (6, 214984070), (7, 184272060), (10, 128990442), (12, 107492035), (14, 92136030), (15, 85993628), (20, 64495221), (21, 61424020), (28, 46068015), (30, 42996814), (31, 41609820), (35, 36854412), (42, 30712010), (49, 26324580), (60, 21498407), (62, 20804910), (70, 18427206), (84, 15356005), (93, 13869940), (98, 13162290), (105, 12284804), (124, 10402455), (140, 9213603), (147, 8774860), (155, 8321964), (186, 6934970), (196, 6581145), (210, 6142402), (217, 5944260), (245, 5264916), (294, 4387430), (310, 4160982), (372, 3467485), (420, 3071201), (434, 2972130), (465, 2773988), (490, 2632458), (588, 2193715), (620, 2080491), (651, 1981420), (735, 1754972), (868, 1486065), (930, 1386994), (980, 1316229), (1085, 1188852), (1302, 990710), (1470, 877486), (1519, 849180), (1860, 693497), (2170, 594426), (2604, 495355), (2940, 438743), (3038, 424590), (3255, 396284), (4340, 297213), (4557, 283060), (6076, 212295), (6510, 198142), (7595, 169836), (9114, 141530), (13020, 99071), (14153, 91140), (15190, 84918), (18228, 70765), (22785, 56612), (28306, 45570), (30380, 42459)]