81227300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{137}}^1$

素因数の和:187

約数の個数: 162

約数和(自身を含む): 227020626

約数和(自身を除く): 145793326

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 49, 50, 55, 70, 77, 98, 100, 110, 121, 137, 140, 154, 175, 196, 220, 242, 245, 274, 275, 308, 350, 385, 484, 490, 539, 548, 550, 605, 685, 700, 770, 847, 959, 980, 1078, 1100, 1210, 1225, 1370, 1507, 1540, 1694, 1918, 1925, 2156, 2420, 2450, 2695, 2740, 3014, 3025, 3388, 3425, 3836, 3850, 4235, 4795, 4900, 5390, 5929, 6028, 6050, 6713, 6850, 7535, 7700, 8470, 9590, 10549, 10780, 11858, 12100, 13426, 13475, 13700, 15070, 16577, 16940, 19180, 21098, 21175, 23716, 23975, 26852, 26950, 29645, 30140, 33154, 33565, 37675, 42196, 42350, 47950, 52745, 53900, 59290, 66308, 67130, 73843, 75350, 82885, 84700, 95900, 105490, 116039, 118580, 134260, 147686, 148225, 150700, 165770, 167825, 210980, 232078, 263725, 295372, 296450, 331540, 335650, 369215, 414425, 464156, 527450, 580195, 592900, 671300, 738430, 812273, 828850, 1054900, 1160390, 1476860, 1624546, 1657700, 1846075, 2320780, 2900975, 3249092, 3692150, 4061365, 5801950, 7384300, 8122730, 11603900, 16245460, 20306825, 40613650, 81227300]

約数ペア:

[(1, 81227300), (2, 40613650), (4, 20306825), (5, 16245460), (7, 11603900), (10, 8122730), (11, 7384300), (14, 5801950), (20, 4061365), (22, 3692150), (25, 3249092), (28, 2900975), (35, 2320780), (44, 1846075), (49, 1657700), (50, 1624546), (55, 1476860), (70, 1160390), (77, 1054900), (98, 828850), (100, 812273), (110, 738430), (121, 671300), (137, 592900), (140, 580195), (154, 527450), (175, 464156), (196, 414425), (220, 369215), (242, 335650), (245, 331540), (274, 296450), (275, 295372), (308, 263725), (350, 232078), (385, 210980), (484, 167825), (490, 165770), (539, 150700), (548, 148225), (550, 147686), (605, 134260), (685, 118580), (700, 116039), (770, 105490), (847, 95900), (959, 84700), (980, 82885), (1078, 75350), (1100, 73843), (1210, 67130), (1225, 66308), (1370, 59290), (1507, 53900), (1540, 52745), (1694, 47950), (1918, 42350), (1925, 42196), (2156, 37675), (2420, 33565), (2450, 33154), (2695, 30140), (2740, 29645), (3014, 26950), (3025, 26852), (3388, 23975), (3425, 23716), (3836, 21175), (3850, 21098), (4235, 19180), (4795, 16940), (4900, 16577), (5390, 15070), (5929, 13700), (6028, 13475), (6050, 13426), (6713, 12100), (6850, 11858), (7535, 10780), (7700, 10549), (8470, 9590)]