51948820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 142490880

約数和(自身を除く): 90542060

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 61, 70, 77, 79, 98, 110, 122, 140, 154, 158, 196, 220, 244, 245, 305, 308, 316, 385, 395, 427, 490, 539, 553, 610, 671, 770, 790, 854, 869, 980, 1078, 1106, 1220, 1342, 1540, 1580, 1708, 1738, 2135, 2156, 2212, 2684, 2695, 2765, 2989, 3355, 3476, 3871, 4270, 4345, 4697, 4819, 5390, 5530, 5978, 6083, 6710, 7742, 8540, 8690, 9394, 9638, 10780, 11060, 11956, 12166, 13420, 14945, 15484, 17380, 18788, 19276, 19355, 23485, 24095, 24332, 29890, 30415, 32879, 33733, 38710, 42581, 46970, 48190, 53009, 59780, 60830, 65758, 67466, 77420, 85162, 93940, 96380, 106018, 121660, 131516, 134932, 164395, 168665, 170324, 212036, 212905, 236131, 265045, 328790, 337330, 371063, 425810, 472262, 530090, 657580, 674660, 742126, 851620, 944524, 1060180, 1180655, 1484252, 1855315, 2361310, 2597441, 3710630, 4722620, 5194882, 7421260, 10389764, 12987205, 25974410, 51948820]

約数ペア:

[(1, 51948820), (2, 25974410), (4, 12987205), (5, 10389764), (7, 7421260), (10, 5194882), (11, 4722620), (14, 3710630), (20, 2597441), (22, 2361310), (28, 1855315), (35, 1484252), (44, 1180655), (49, 1060180), (55, 944524), (61, 851620), (70, 742126), (77, 674660), (79, 657580), (98, 530090), (110, 472262), (122, 425810), (140, 371063), (154, 337330), (158, 328790), (196, 265045), (220, 236131), (244, 212905), (245, 212036), (305, 170324), (308, 168665), (316, 164395), (385, 134932), (395, 131516), (427, 121660), (490, 106018), (539, 96380), (553, 93940), (610, 85162), (671, 77420), (770, 67466), (790, 65758), (854, 60830), (869, 59780), (980, 53009), (1078, 48190), (1106, 46970), (1220, 42581), (1342, 38710), (1540, 33733), (1580, 32879), (1708, 30415), (1738, 29890), (2135, 24332), (2156, 24095), (2212, 23485), (2684, 19355), (2695, 19276), (2765, 18788), (2989, 17380), (3355, 15484), (3476, 14945), (3871, 13420), (4270, 12166), (4345, 11956), (4697, 11060), (4819, 10780), (5390, 9638), (5530, 9394), (5978, 8690), (6083, 8540), (6710, 7742)]