30509900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 71151696

約数和(自身を除く): 40641796

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 131, 137, 170, 262, 274, 340, 425, 524, 548, 655, 685, 850, 1310, 1370, 1700, 2227, 2329, 2620, 2740, 3275, 3425, 4454, 4658, 6550, 6850, 8908, 9316, 11135, 11645, 13100, 13700, 17947, 22270, 23290, 35894, 44540, 46580, 55675, 58225, 71788, 89735, 111350, 116450, 179470, 222700, 232900, 305099, 358940, 448675, 610198, 897350, 1220396, 1525495, 1794700, 3050990, 6101980, 7627475, 15254950, 30509900]

約数ペア:

[(1, 30509900), (2, 15254950), (4, 7627475), (5, 6101980), (10, 3050990), (17, 1794700), (20, 1525495), (25, 1220396), (34, 897350), (50, 610198), (68, 448675), (85, 358940), (100, 305099), (131, 232900), (137, 222700), (170, 179470), (262, 116450), (274, 111350), (340, 89735), (425, 71788), (524, 58225), (548, 55675), (655, 46580), (685, 44540), (850, 35894), (1310, 23290), (1370, 22270), (1700, 17947), (2227, 13700), (2329, 13100), (2620, 11645), (2740, 11135), (3275, 9316), (3425, 8908), (4454, 6850), (4658, 6550)]