81874100

素因数分解:

$2^2\times 5^2\times 7^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 180

約数和(自身を含む): 233401728

約数和(自身を除く): 151527628

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 31, 35, 44, 49, 50, 55, 62, 70, 77, 98, 100, 110, 124, 140, 154, 155, 175, 196, 217, 220, 245, 275, 308, 310, 341, 343, 350, 385, 434, 490, 539, 550, 620, 682, 686, 700, 770, 775, 868, 980, 1078, 1085, 1100, 1225, 1364, 1372, 1519, 1540, 1550, 1705, 1715, 1925, 2156, 2170, 2387, 2401, 2450, 2695, 3038, 3100, 3410, 3430, 3773, 3850, 4340, 4774, 4802, 4900, 5390, 5425, 6076, 6820, 6860, 7546, 7595, 7700, 8525, 8575, 9548, 9604, 10633, 10780, 10850, 11935, 12005, 13475, 15092, 15190, 16709, 17050, 17150, 18865, 21266, 21700, 23870, 24010, 26411, 26950, 30380, 33418, 34100, 34300, 37730, 37975, 42532, 47740, 48020, 52822, 53165, 53900, 59675, 60025, 66836, 74431, 75460, 75950, 83545, 94325, 105644, 106330, 116963, 119350, 120050, 132055, 148862, 151900, 167090, 188650, 212660, 233926, 238700, 240100, 264110, 265825, 297724, 334180, 372155, 377300, 417725, 467852, 528220, 531650, 584815, 660275, 744310, 818741, 835450, 1063300, 1169630, 1320550, 1488620, 1637482, 1670900, 1860775, 2339260, 2641100, 2924075, 3274964, 3721550, 4093705, 5848150, 7443100, 8187410, 11696300, 16374820, 20468525, 40937050, 81874100]

約数ペア:

[(1, 81874100), (2, 40937050), (4, 20468525), (5, 16374820), (7, 11696300), (10, 8187410), (11, 7443100), (14, 5848150), (20, 4093705), (22, 3721550), (25, 3274964), (28, 2924075), (31, 2641100), (35, 2339260), (44, 1860775), (49, 1670900), (50, 1637482), (55, 1488620), (62, 1320550), (70, 1169630), (77, 1063300), (98, 835450), (100, 818741), (110, 744310), (124, 660275), (140, 584815), (154, 531650), (155, 528220), (175, 467852), (196, 417725), (217, 377300), (220, 372155), (245, 334180), (275, 297724), (308, 265825), (310, 264110), (341, 240100), (343, 238700), (350, 233926), (385, 212660), (434, 188650), (490, 167090), (539, 151900), (550, 148862), (620, 132055), (682, 120050), (686, 119350), (700, 116963), (770, 106330), (775, 105644), (868, 94325), (980, 83545), (1078, 75950), (1085, 75460), (1100, 74431), (1225, 66836), (1364, 60025), (1372, 59675), (1519, 53900), (1540, 53165), (1550, 52822), (1705, 48020), (1715, 47740), (1925, 42532), (2156, 37975), (2170, 37730), (2387, 34300), (2401, 34100), (2450, 33418), (2695, 30380), (3038, 26950), (3100, 26411), (3410, 24010), (3430, 23870), (3773, 21700), (3850, 21266), (4340, 18865), (4774, 17150), (4802, 17050), (4900, 16709), (5390, 15190), (5425, 15092), (6076, 13475), (6820, 12005), (6860, 11935), (7546, 10850), (7595, 10780), (7700, 10633), (8525, 9604), (8575, 9548)]