210884940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5399}}^1$

素因数の和:5452

約数の個数: 144

約数和(自身を含む): 754790400

約数和(自身を除く): 543905460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5399, 5580, 6510, 7812, 9765, 10798, 13020, 16197, 19530, 21596, 26995, 32394, 37793, 39060, 48591, 53990, 64788, 75586, 80985, 97182, 107980, 113379, 151172, 161970, 167369, 188965, 194364, 226758, 242955, 323940, 334738, 340137, 377930, 453516, 485910, 502107, 566895, 669476, 680274, 755860, 836845, 971820, 1004214, 1133790, 1171583, 1360548, 1506321, 1673690, 1700685, 2008428, 2267580, 2343166, 2510535, 3012642, 3347380, 3401370, 3514749, 4686332, 5021070, 5857915, 6025284, 6802740, 7029498, 7531605, 10042140, 10544247, 11715830, 14058996, 15063210, 17573745, 21088494, 23431660, 30126420, 35147490, 42176988, 52721235, 70294980, 105442470, 210884940]

約数ペア:

[(1, 210884940), (2, 105442470), (3, 70294980), (4, 52721235), (5, 42176988), (6, 35147490), (7, 30126420), (9, 23431660), (10, 21088494), (12, 17573745), (14, 15063210), (15, 14058996), (18, 11715830), (20, 10544247), (21, 10042140), (28, 7531605), (30, 7029498), (31, 6802740), (35, 6025284), (36, 5857915), (42, 5021070), (45, 4686332), (60, 3514749), (62, 3401370), (63, 3347380), (70, 3012642), (84, 2510535), (90, 2343166), (93, 2267580), (105, 2008428), (124, 1700685), (126, 1673690), (140, 1506321), (155, 1360548), (180, 1171583), (186, 1133790), (210, 1004214), (217, 971820), (252, 836845), (279, 755860), (310, 680274), (315, 669476), (372, 566895), (420, 502107), (434, 485910), (465, 453516), (558, 377930), (620, 340137), (630, 334738), (651, 323940), (868, 242955), (930, 226758), (1085, 194364), (1116, 188965), (1260, 167369), (1302, 161970), (1395, 151172), (1860, 113379), (1953, 107980), (2170, 97182), (2604, 80985), (2790, 75586), (3255, 64788), (3906, 53990), (4340, 48591), (5399, 39060), (5580, 37793), (6510, 32394), (7812, 26995), (9765, 21596), (10798, 19530), (13020, 16197)]