138732440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1453}}^1$

素因数の和:1513

約数の個数: 128

約数和(自身を含む): 402001920

約数和(自身を除く): 263269480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 770, 868, 1085, 1240, 1364, 1453, 1540, 1705, 1736, 2170, 2387, 2728, 2906, 3080, 3410, 4340, 4774, 5812, 6820, 7265, 8680, 9548, 10171, 11624, 11935, 13640, 14530, 15983, 19096, 20342, 23870, 29060, 31966, 40684, 45043, 47740, 50855, 58120, 63932, 79915, 81368, 90086, 95480, 101710, 111881, 127864, 159830, 180172, 203420, 223762, 225215, 315301, 319660, 360344, 406840, 447524, 450430, 495473, 559405, 630602, 639320, 895048, 900860, 990946, 1118810, 1261204, 1576505, 1801720, 1981892, 2237620, 2477365, 2522408, 3153010, 3468311, 3963784, 4475240, 4954730, 6306020, 6936622, 9909460, 12612040, 13873244, 17341555, 19818920, 27746488, 34683110, 69366220, 138732440]

約数ペア:

[(1, 138732440), (2, 69366220), (4, 34683110), (5, 27746488), (7, 19818920), (8, 17341555), (10, 13873244), (11, 12612040), (14, 9909460), (20, 6936622), (22, 6306020), (28, 4954730), (31, 4475240), (35, 3963784), (40, 3468311), (44, 3153010), (55, 2522408), (56, 2477365), (62, 2237620), (70, 1981892), (77, 1801720), (88, 1576505), (110, 1261204), (124, 1118810), (140, 990946), (154, 900860), (155, 895048), (217, 639320), (220, 630602), (248, 559405), (280, 495473), (308, 450430), (310, 447524), (341, 406840), (385, 360344), (434, 319660), (440, 315301), (616, 225215), (620, 223762), (682, 203420), (770, 180172), (868, 159830), (1085, 127864), (1240, 111881), (1364, 101710), (1453, 95480), (1540, 90086), (1705, 81368), (1736, 79915), (2170, 63932), (2387, 58120), (2728, 50855), (2906, 47740), (3080, 45043), (3410, 40684), (4340, 31966), (4774, 29060), (5812, 23870), (6820, 20342), (7265, 19096), (8680, 15983), (9548, 14530), (10171, 13640), (11624, 11935)]