205234540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 540546048

約数和(自身を除く): 335311508

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 97, 98, 119, 127, 140, 170, 194, 196, 238, 245, 254, 340, 388, 476, 485, 490, 508, 595, 635, 679, 833, 889, 970, 980, 1190, 1270, 1358, 1649, 1666, 1778, 1940, 2159, 2380, 2540, 2716, 3298, 3332, 3395, 3556, 4165, 4318, 4445, 4753, 6223, 6596, 6790, 8245, 8330, 8636, 8890, 9506, 10795, 11543, 12319, 12446, 13580, 15113, 16490, 16660, 17780, 19012, 21590, 23086, 23765, 24638, 24892, 30226, 31115, 32980, 43180, 46172, 47530, 49276, 57715, 60452, 61595, 62230, 75565, 80801, 86233, 95060, 105791, 115430, 123190, 124460, 151130, 161602, 172466, 209423, 211582, 230860, 246380, 302260, 323204, 344932, 404005, 418846, 423164, 431165, 528955, 603631, 808010, 837692, 862330, 1047115, 1057910, 1207262, 1465961, 1616020, 1724660, 2094230, 2115820, 2414524, 2931922, 3018155, 4188460, 5863844, 6036310, 7329805, 10261727, 12072620, 14659610, 20523454, 29319220, 41046908, 51308635, 102617270, 205234540]

約数ペア:

[(1, 205234540), (2, 102617270), (4, 51308635), (5, 41046908), (7, 29319220), (10, 20523454), (14, 14659610), (17, 12072620), (20, 10261727), (28, 7329805), (34, 6036310), (35, 5863844), (49, 4188460), (68, 3018155), (70, 2931922), (85, 2414524), (97, 2115820), (98, 2094230), (119, 1724660), (127, 1616020), (140, 1465961), (170, 1207262), (194, 1057910), (196, 1047115), (238, 862330), (245, 837692), (254, 808010), (340, 603631), (388, 528955), (476, 431165), (485, 423164), (490, 418846), (508, 404005), (595, 344932), (635, 323204), (679, 302260), (833, 246380), (889, 230860), (970, 211582), (980, 209423), (1190, 172466), (1270, 161602), (1358, 151130), (1649, 124460), (1666, 123190), (1778, 115430), (1940, 105791), (2159, 95060), (2380, 86233), (2540, 80801), (2716, 75565), (3298, 62230), (3332, 61595), (3395, 60452), (3556, 57715), (4165, 49276), (4318, 47530), (4445, 46172), (4753, 43180), (6223, 32980), (6596, 31115), (6790, 30226), (8245, 24892), (8330, 24638), (8636, 23765), (8890, 23086), (9506, 21590), (10795, 19012), (11543, 17780), (12319, 16660), (12446, 16490), (13580, 15113)]