201745420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:655

約数の個数: 96

約数和(自身を含む): 477550080

約数和(自身を除く): 275804660

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 41, 46, 76, 82, 92, 95, 115, 164, 190, 205, 230, 380, 410, 437, 460, 563, 779, 820, 874, 943, 1126, 1558, 1748, 1886, 2185, 2252, 2815, 3116, 3772, 3895, 4370, 4715, 5630, 7790, 8740, 9430, 10697, 11260, 12949, 15580, 17917, 18860, 21394, 23083, 25898, 35834, 42788, 46166, 51796, 53485, 64745, 71668, 89585, 92332, 106970, 115415, 129490, 179170, 213940, 230830, 246031, 258980, 358340, 438577, 461660, 492062, 530909, 877154, 984124, 1061818, 1230155, 1754308, 2123636, 2192885, 2460310, 2654545, 4385770, 4920620, 5309090, 8771540, 10087271, 10618180, 20174542, 40349084, 50436355, 100872710, 201745420]

約数ペア:

[(1, 201745420), (2, 100872710), (4, 50436355), (5, 40349084), (10, 20174542), (19, 10618180), (20, 10087271), (23, 8771540), (38, 5309090), (41, 4920620), (46, 4385770), (76, 2654545), (82, 2460310), (92, 2192885), (95, 2123636), (115, 1754308), (164, 1230155), (190, 1061818), (205, 984124), (230, 877154), (380, 530909), (410, 492062), (437, 461660), (460, 438577), (563, 358340), (779, 258980), (820, 246031), (874, 230830), (943, 213940), (1126, 179170), (1558, 129490), (1748, 115415), (1886, 106970), (2185, 92332), (2252, 89585), (2815, 71668), (3116, 64745), (3772, 53485), (3895, 51796), (4370, 46166), (4715, 42788), (5630, 35834), (7790, 25898), (8740, 23083), (9430, 21394), (10697, 18860), (11260, 17917), (12949, 15580)]