81787300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3769}}^1$

素因数の和:3821

約数の個数: 72

約数和(自身を含む): 209431040

約数和(自身を除く): 127643740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 700, 775, 868, 1085, 1550, 2170, 3100, 3769, 4340, 5425, 7538, 10850, 15076, 18845, 21700, 26383, 37690, 52766, 75380, 94225, 105532, 116839, 131915, 188450, 233678, 263830, 376900, 467356, 527660, 584195, 659575, 817873, 1168390, 1319150, 1635746, 2336780, 2638300, 2920975, 3271492, 4089365, 5841950, 8178730, 11683900, 16357460, 20446825, 40893650, 81787300]

約数ペア:

[(1, 81787300), (2, 40893650), (4, 20446825), (5, 16357460), (7, 11683900), (10, 8178730), (14, 5841950), (20, 4089365), (25, 3271492), (28, 2920975), (31, 2638300), (35, 2336780), (50, 1635746), (62, 1319150), (70, 1168390), (100, 817873), (124, 659575), (140, 584195), (155, 527660), (175, 467356), (217, 376900), (310, 263830), (350, 233678), (434, 188450), (620, 131915), (700, 116839), (775, 105532), (868, 94225), (1085, 75380), (1550, 52766), (2170, 37690), (3100, 26383), (3769, 21700), (4340, 18845), (5425, 15076), (7538, 10850)]