228902180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 537878880

約数和(自身を除く): 308976700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 109, 130, 164, 197, 205, 218, 260, 394, 410, 436, 533, 545, 788, 820, 985, 1066, 1090, 1417, 1970, 2132, 2180, 2561, 2665, 2834, 3940, 4469, 5122, 5330, 5668, 7085, 8077, 8938, 10244, 10660, 12805, 14170, 16154, 17876, 21473, 22345, 25610, 28340, 32308, 40385, 42946, 44690, 51220, 58097, 80770, 85892, 89380, 105001, 107365, 116194, 161540, 210002, 214730, 232388, 279149, 290485, 420004, 429460, 525005, 558298, 580970, 880393, 1050010, 1116596, 1161940, 1395745, 1760786, 2100020, 2791490, 3521572, 4401965, 5582980, 8803930, 11445109, 17607860, 22890218, 45780436, 57225545, 114451090, 228902180]

約数ペア:

[(1, 228902180), (2, 114451090), (4, 57225545), (5, 45780436), (10, 22890218), (13, 17607860), (20, 11445109), (26, 8803930), (41, 5582980), (52, 4401965), (65, 3521572), (82, 2791490), (109, 2100020), (130, 1760786), (164, 1395745), (197, 1161940), (205, 1116596), (218, 1050010), (260, 880393), (394, 580970), (410, 558298), (436, 525005), (533, 429460), (545, 420004), (788, 290485), (820, 279149), (985, 232388), (1066, 214730), (1090, 210002), (1417, 161540), (1970, 116194), (2132, 107365), (2180, 105001), (2561, 89380), (2665, 85892), (2834, 80770), (3940, 58097), (4469, 51220), (5122, 44690), (5330, 42946), (5668, 40385), (7085, 32308), (8077, 28340), (8938, 25610), (10244, 22345), (10660, 21473), (12805, 17876), (14170, 16154)]