208173680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:655

約数の個数: 160

約数和(自身を含む): 587962368

約数和(自身を除く): 379788688

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 124, 130, 143, 155, 176, 208, 220, 248, 260, 286, 310, 341, 403, 440, 496, 520, 572, 587, 620, 682, 715, 806, 880, 1040, 1144, 1174, 1240, 1364, 1430, 1612, 1705, 2015, 2288, 2348, 2480, 2728, 2860, 2935, 3224, 3410, 4030, 4433, 4696, 5456, 5720, 5870, 6448, 6457, 6820, 7631, 8060, 8866, 9392, 11440, 11740, 12914, 13640, 15262, 16120, 17732, 18197, 22165, 23480, 25828, 27280, 30524, 32240, 32285, 35464, 36394, 38155, 44330, 46960, 51656, 61048, 64570, 70928, 72788, 76310, 83941, 88660, 90985, 103312, 122096, 129140, 145576, 152620, 167882, 177320, 181970, 200167, 236561, 258280, 291152, 305240, 335764, 354640, 363940, 400334, 419705, 473122, 516560, 610480, 671528, 727880, 800668, 839410, 946244, 1000835, 1182805, 1343056, 1455760, 1601336, 1678820, 1892488, 2001670, 2365610, 2602171, 3202672, 3357640, 3784976, 4003340, 4731220, 5204342, 6715280, 8006680, 9462440, 10408684, 13010855, 16013360, 18924880, 20817368, 26021710, 41634736, 52043420, 104086840, 208173680]

約数ペア:

[(1, 208173680), (2, 104086840), (4, 52043420), (5, 41634736), (8, 26021710), (10, 20817368), (11, 18924880), (13, 16013360), (16, 13010855), (20, 10408684), (22, 9462440), (26, 8006680), (31, 6715280), (40, 5204342), (44, 4731220), (52, 4003340), (55, 3784976), (62, 3357640), (65, 3202672), (80, 2602171), (88, 2365610), (104, 2001670), (110, 1892488), (124, 1678820), (130, 1601336), (143, 1455760), (155, 1343056), (176, 1182805), (208, 1000835), (220, 946244), (248, 839410), (260, 800668), (286, 727880), (310, 671528), (341, 610480), (403, 516560), (440, 473122), (496, 419705), (520, 400334), (572, 363940), (587, 354640), (620, 335764), (682, 305240), (715, 291152), (806, 258280), (880, 236561), (1040, 200167), (1144, 181970), (1174, 177320), (1240, 167882), (1364, 152620), (1430, 145576), (1612, 129140), (1705, 122096), (2015, 103312), (2288, 90985), (2348, 88660), (2480, 83941), (2728, 76310), (2860, 72788), (2935, 70928), (3224, 64570), (3410, 61048), (4030, 51656), (4433, 46960), (4696, 44330), (5456, 38155), (5720, 36394), (5870, 35464), (6448, 32285), (6457, 32240), (6820, 30524), (7631, 27280), (8060, 25828), (8866, 23480), (9392, 22165), (11440, 18197), (11740, 17732), (12914, 16120), (13640, 15262)]