191220400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2203}}^1$

素因数の和:2259

約数の個数: 120

約数和(自身を含む): 542219264

約数和(自身を除く): 350998864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 175, 200, 217, 248, 280, 310, 350, 400, 434, 496, 560, 620, 700, 775, 868, 1085, 1240, 1400, 1550, 1736, 2170, 2203, 2480, 2800, 3100, 3472, 4340, 4406, 5425, 6200, 8680, 8812, 10850, 11015, 12400, 15421, 17360, 17624, 21700, 22030, 30842, 35248, 43400, 44060, 55075, 61684, 68293, 77105, 86800, 88120, 110150, 123368, 136586, 154210, 176240, 220300, 246736, 273172, 308420, 341465, 385525, 440600, 478051, 546344, 616840, 682930, 771050, 881200, 956102, 1092688, 1233680, 1365860, 1542100, 1707325, 1912204, 2390255, 2731720, 3084200, 3414650, 3824408, 4780510, 5463440, 6168400, 6829300, 7648816, 9561020, 11951275, 13658600, 19122040, 23902550, 27317200, 38244080, 47805100, 95610200, 191220400]

約数ペア:

[(1, 191220400), (2, 95610200), (4, 47805100), (5, 38244080), (7, 27317200), (8, 23902550), (10, 19122040), (14, 13658600), (16, 11951275), (20, 9561020), (25, 7648816), (28, 6829300), (31, 6168400), (35, 5463440), (40, 4780510), (50, 3824408), (56, 3414650), (62, 3084200), (70, 2731720), (80, 2390255), (100, 1912204), (112, 1707325), (124, 1542100), (140, 1365860), (155, 1233680), (175, 1092688), (200, 956102), (217, 881200), (248, 771050), (280, 682930), (310, 616840), (350, 546344), (400, 478051), (434, 440600), (496, 385525), (560, 341465), (620, 308420), (700, 273172), (775, 246736), (868, 220300), (1085, 176240), (1240, 154210), (1400, 136586), (1550, 123368), (1736, 110150), (2170, 88120), (2203, 86800), (2480, 77105), (2800, 68293), (3100, 61684), (3472, 55075), (4340, 44060), (4406, 43400), (5425, 35248), (6200, 30842), (8680, 22030), (8812, 21700), (10850, 17624), (11015, 17360), (12400, 15421)]