72004940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 182697984

約数和(自身を除く): 110693044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 47, 62, 70, 94, 124, 140, 155, 188, 217, 235, 310, 329, 353, 434, 470, 620, 658, 706, 868, 940, 1085, 1316, 1412, 1457, 1645, 1765, 2170, 2471, 2914, 3290, 3530, 4340, 4942, 5828, 6580, 7060, 7285, 9884, 10199, 10943, 12355, 14570, 16591, 20398, 21886, 24710, 29140, 33182, 40796, 43772, 49420, 50995, 54715, 66364, 76601, 82955, 101990, 109430, 116137, 153202, 165910, 203980, 218860, 232274, 306404, 331820, 383005, 464548, 514321, 580685, 766010, 1028642, 1161370, 1532020, 2057284, 2322740, 2571605, 3600247, 5143210, 7200494, 10286420, 14400988, 18001235, 36002470, 72004940]

約数ペア:

[(1, 72004940), (2, 36002470), (4, 18001235), (5, 14400988), (7, 10286420), (10, 7200494), (14, 5143210), (20, 3600247), (28, 2571605), (31, 2322740), (35, 2057284), (47, 1532020), (62, 1161370), (70, 1028642), (94, 766010), (124, 580685), (140, 514321), (155, 464548), (188, 383005), (217, 331820), (235, 306404), (310, 232274), (329, 218860), (353, 203980), (434, 165910), (470, 153202), (620, 116137), (658, 109430), (706, 101990), (868, 82955), (940, 76601), (1085, 66364), (1316, 54715), (1412, 50995), (1457, 49420), (1645, 43772), (1765, 40796), (2170, 33182), (2471, 29140), (2914, 24710), (3290, 21886), (3530, 20398), (4340, 16591), (4942, 14570), (5828, 12355), (6580, 10943), (7060, 10199), (7285, 9884)]