202721820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1301}}^1$

素因数の和:1380

約数の個数: 144

約数和(自身を含む): 673269408

約数和(自身を除く): 470547588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 53, 60, 70, 84, 98, 105, 106, 140, 147, 159, 196, 210, 212, 245, 265, 294, 318, 371, 420, 490, 530, 588, 636, 735, 742, 795, 980, 1060, 1113, 1301, 1470, 1484, 1590, 1855, 2226, 2597, 2602, 2940, 3180, 3710, 3903, 4452, 5194, 5204, 5565, 6505, 7420, 7791, 7806, 9107, 10388, 11130, 12985, 13010, 15582, 15612, 18214, 19515, 22260, 25970, 26020, 27321, 31164, 36428, 38955, 39030, 45535, 51940, 54642, 63749, 68953, 77910, 78060, 91070, 109284, 127498, 136605, 137906, 155820, 182140, 191247, 206859, 254996, 273210, 275812, 318745, 344765, 382494, 413718, 482671, 546420, 637490, 689530, 764988, 827436, 956235, 965342, 1034295, 1274980, 1379060, 1448013, 1912470, 1930684, 2068590, 2413355, 2896026, 3378697, 3824940, 4137180, 4826710, 5792052, 6757394, 7240065, 9653420, 10136091, 13514788, 14480130, 16893485, 20272182, 28960260, 33786970, 40544364, 50680455, 67573940, 101360910, 202721820]

約数ペア:

[(1, 202721820), (2, 101360910), (3, 67573940), (4, 50680455), (5, 40544364), (6, 33786970), (7, 28960260), (10, 20272182), (12, 16893485), (14, 14480130), (15, 13514788), (20, 10136091), (21, 9653420), (28, 7240065), (30, 6757394), (35, 5792052), (42, 4826710), (49, 4137180), (53, 3824940), (60, 3378697), (70, 2896026), (84, 2413355), (98, 2068590), (105, 1930684), (106, 1912470), (140, 1448013), (147, 1379060), (159, 1274980), (196, 1034295), (210, 965342), (212, 956235), (245, 827436), (265, 764988), (294, 689530), (318, 637490), (371, 546420), (420, 482671), (490, 413718), (530, 382494), (588, 344765), (636, 318745), (735, 275812), (742, 273210), (795, 254996), (980, 206859), (1060, 191247), (1113, 182140), (1301, 155820), (1470, 137906), (1484, 136605), (1590, 127498), (1855, 109284), (2226, 91070), (2597, 78060), (2602, 77910), (2940, 68953), (3180, 63749), (3710, 54642), (3903, 51940), (4452, 45535), (5194, 39030), (5204, 38955), (5565, 36428), (6505, 31164), (7420, 27321), (7791, 26020), (7806, 25970), (9107, 22260), (10388, 19515), (11130, 18214), (12985, 15612), (13010, 15582)]