78098300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 206653440

約数和(自身を除く): 128555140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 59, 61, 62, 70, 100, 118, 122, 124, 140, 155, 175, 217, 236, 244, 295, 305, 310, 350, 413, 427, 434, 590, 610, 620, 700, 775, 826, 854, 868, 1085, 1180, 1220, 1475, 1525, 1550, 1652, 1708, 1829, 1891, 2065, 2135, 2170, 2950, 3050, 3100, 3599, 3658, 3782, 4130, 4270, 4340, 5425, 5900, 6100, 7198, 7316, 7564, 8260, 8540, 9145, 9455, 10325, 10675, 10850, 12803, 13237, 14396, 17995, 18290, 18910, 20650, 21350, 21700, 25193, 25606, 26474, 35990, 36580, 37820, 41300, 42700, 45725, 47275, 50386, 51212, 52948, 64015, 66185, 71980, 89975, 91450, 94550, 100772, 111569, 125965, 128030, 132370, 179950, 182900, 189100, 223138, 251930, 256060, 264740, 320075, 330925, 359900, 446276, 503860, 557845, 629825, 640150, 661850, 780983, 1115690, 1259650, 1280300, 1323700, 1561966, 2231380, 2519300, 2789225, 3123932, 3904915, 5578450, 7809830, 11156900, 15619660, 19524575, 39049150, 78098300]

約数ペア:

[(1, 78098300), (2, 39049150), (4, 19524575), (5, 15619660), (7, 11156900), (10, 7809830), (14, 5578450), (20, 3904915), (25, 3123932), (28, 2789225), (31, 2519300), (35, 2231380), (50, 1561966), (59, 1323700), (61, 1280300), (62, 1259650), (70, 1115690), (100, 780983), (118, 661850), (122, 640150), (124, 629825), (140, 557845), (155, 503860), (175, 446276), (217, 359900), (236, 330925), (244, 320075), (295, 264740), (305, 256060), (310, 251930), (350, 223138), (413, 189100), (427, 182900), (434, 179950), (590, 132370), (610, 128030), (620, 125965), (700, 111569), (775, 100772), (826, 94550), (854, 91450), (868, 89975), (1085, 71980), (1180, 66185), (1220, 64015), (1475, 52948), (1525, 51212), (1550, 50386), (1652, 47275), (1708, 45725), (1829, 42700), (1891, 41300), (2065, 37820), (2135, 36580), (2170, 35990), (2950, 26474), (3050, 25606), (3100, 25193), (3599, 21700), (3658, 21350), (3782, 20650), (4130, 18910), (4270, 18290), (4340, 17995), (5425, 14396), (5900, 13237), (6100, 12803), (7198, 10850), (7316, 10675), (7564, 10325), (8260, 9455), (8540, 9145)]