199817940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:302

約数の個数: 192

約数和(自身を含む): 670924800

約数和(自身を除く): 471106860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 103, 105, 124, 140, 149, 155, 186, 206, 210, 217, 298, 309, 310, 372, 412, 420, 434, 447, 465, 515, 596, 618, 620, 651, 721, 745, 868, 894, 930, 1030, 1043, 1085, 1236, 1302, 1442, 1490, 1545, 1788, 1860, 2060, 2086, 2163, 2170, 2235, 2604, 2884, 2980, 3090, 3129, 3193, 3255, 3605, 4172, 4326, 4340, 4470, 4619, 5215, 6180, 6258, 6386, 6510, 7210, 8652, 8940, 9238, 9579, 10430, 10815, 12516, 12772, 13020, 13857, 14420, 15347, 15645, 15965, 18476, 19158, 20860, 21630, 22351, 23095, 27714, 30694, 31290, 31930, 32333, 38316, 43260, 44702, 46041, 46190, 47895, 55428, 61388, 62580, 63860, 64666, 67053, 69285, 76735, 89404, 92082, 92380, 95790, 96999, 107429, 111755, 129332, 134106, 138570, 153470, 161665, 184164, 191580, 193998, 214858, 223510, 230205, 268212, 277140, 306940, 322287, 323330, 335265, 387996, 429716, 447020, 460410, 475757, 484995, 537145, 644574, 646660, 670530, 920820, 951514, 969990, 1074290, 1289148, 1341060, 1427271, 1611435, 1903028, 1939980, 2148580, 2378785, 2854542, 3222870, 3330299, 4757570, 5709084, 6445740, 6660598, 7136355, 9515140, 9990897, 13321196, 14272710, 16651495, 19981794, 28545420, 33302990, 39963588, 49954485, 66605980, 99908970, 199817940]

約数ペア:

[(1, 199817940), (2, 99908970), (3, 66605980), (4, 49954485), (5, 39963588), (6, 33302990), (7, 28545420), (10, 19981794), (12, 16651495), (14, 14272710), (15, 13321196), (20, 9990897), (21, 9515140), (28, 7136355), (30, 6660598), (31, 6445740), (35, 5709084), (42, 4757570), (60, 3330299), (62, 3222870), (70, 2854542), (84, 2378785), (93, 2148580), (103, 1939980), (105, 1903028), (124, 1611435), (140, 1427271), (149, 1341060), (155, 1289148), (186, 1074290), (206, 969990), (210, 951514), (217, 920820), (298, 670530), (309, 646660), (310, 644574), (372, 537145), (412, 484995), (420, 475757), (434, 460410), (447, 447020), (465, 429716), (515, 387996), (596, 335265), (618, 323330), (620, 322287), (651, 306940), (721, 277140), (745, 268212), (868, 230205), (894, 223510), (930, 214858), (1030, 193998), (1043, 191580), (1085, 184164), (1236, 161665), (1302, 153470), (1442, 138570), (1490, 134106), (1545, 129332), (1788, 111755), (1860, 107429), (2060, 96999), (2086, 95790), (2163, 92380), (2170, 92082), (2235, 89404), (2604, 76735), (2884, 69285), (2980, 67053), (3090, 64666), (3129, 63860), (3193, 62580), (3255, 61388), (3605, 55428), (4172, 47895), (4326, 46190), (4340, 46041), (4470, 44702), (4619, 43260), (5215, 38316), (6180, 32333), (6258, 31930), (6386, 31290), (6510, 30694), (7210, 27714), (8652, 23095), (8940, 22351), (9238, 21630), (9579, 20860), (10430, 19158), (10815, 18476), (12516, 15965), (12772, 15645), (13020, 15347), (13857, 14420)]