210450460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 536256000

約数和(自身を除く): 325805540

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 23, 38, 44, 46, 55, 76, 92, 95, 110, 115, 121, 190, 199, 209, 220, 230, 242, 253, 380, 398, 418, 437, 460, 484, 506, 605, 796, 836, 874, 995, 1012, 1045, 1210, 1265, 1748, 1990, 2090, 2185, 2189, 2299, 2420, 2530, 2783, 3781, 3980, 4180, 4370, 4378, 4577, 4598, 4807, 5060, 5566, 7562, 8740, 8756, 9154, 9196, 9614, 10945, 11132, 11495, 13915, 15124, 18308, 18905, 19228, 21890, 22885, 22990, 24035, 24079, 27830, 37810, 41591, 43780, 45770, 45980, 48070, 48158, 50347, 52877, 55660, 75620, 83182, 86963, 91540, 96140, 96316, 100694, 105754, 120395, 166364, 173926, 201388, 207955, 211508, 240790, 251735, 264385, 347852, 415910, 434815, 457501, 481580, 503470, 528770, 553817, 831820, 869630, 915002, 956593, 1006940, 1057540, 1107634, 1739260, 1830004, 1913186, 2215268, 2287505, 2769085, 3826372, 4575010, 4782965, 5538170, 9150020, 9565930, 10522523, 11076340, 19131860, 21045046, 42090092, 52612615, 105225230, 210450460]

約数ペア:

[(1, 210450460), (2, 105225230), (4, 52612615), (5, 42090092), (10, 21045046), (11, 19131860), (19, 11076340), (20, 10522523), (22, 9565930), (23, 9150020), (38, 5538170), (44, 4782965), (46, 4575010), (55, 3826372), (76, 2769085), (92, 2287505), (95, 2215268), (110, 1913186), (115, 1830004), (121, 1739260), (190, 1107634), (199, 1057540), (209, 1006940), (220, 956593), (230, 915002), (242, 869630), (253, 831820), (380, 553817), (398, 528770), (418, 503470), (437, 481580), (460, 457501), (484, 434815), (506, 415910), (605, 347852), (796, 264385), (836, 251735), (874, 240790), (995, 211508), (1012, 207955), (1045, 201388), (1210, 173926), (1265, 166364), (1748, 120395), (1990, 105754), (2090, 100694), (2185, 96316), (2189, 96140), (2299, 91540), (2420, 86963), (2530, 83182), (2783, 75620), (3781, 55660), (3980, 52877), (4180, 50347), (4370, 48158), (4378, 48070), (4577, 45980), (4598, 45770), (4807, 43780), (5060, 41591), (5566, 37810), (7562, 27830), (8740, 24079), (8756, 24035), (9154, 22990), (9196, 22885), (9614, 21890), (10945, 19228), (11132, 18905), (11495, 18308), (13915, 15124)]