201005220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:542

約数の個数: 144

約数和(自身を含む): 624964032

約数和(自身を除く): 423958812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 86, 129, 130, 156, 169, 172, 195, 215, 258, 260, 338, 390, 430, 461, 507, 516, 559, 645, 676, 780, 845, 860, 922, 1014, 1118, 1290, 1383, 1677, 1690, 1844, 2028, 2236, 2305, 2535, 2580, 2766, 2795, 3354, 3380, 4610, 5070, 5532, 5590, 5993, 6708, 6915, 7267, 8385, 9220, 10140, 11180, 11986, 13830, 14534, 16770, 17979, 19823, 21801, 23972, 27660, 29068, 29965, 33540, 35958, 36335, 39646, 43602, 59469, 59930, 71916, 72670, 77909, 79292, 87204, 89895, 99115, 109005, 118938, 119860, 145340, 155818, 179790, 198230, 218010, 233727, 237876, 257699, 297345, 311636, 359580, 389545, 396460, 436020, 467454, 515398, 594690, 773097, 779090, 934908, 1030796, 1168635, 1189380, 1288495, 1546194, 1558180, 2337270, 2576990, 3092388, 3350087, 3865485, 4674540, 5153980, 6700174, 7730970, 10050261, 13400348, 15461940, 16750435, 20100522, 33500870, 40201044, 50251305, 67001740, 100502610, 201005220]

約数ペア:

[(1, 201005220), (2, 100502610), (3, 67001740), (4, 50251305), (5, 40201044), (6, 33500870), (10, 20100522), (12, 16750435), (13, 15461940), (15, 13400348), (20, 10050261), (26, 7730970), (30, 6700174), (39, 5153980), (43, 4674540), (52, 3865485), (60, 3350087), (65, 3092388), (78, 2576990), (86, 2337270), (129, 1558180), (130, 1546194), (156, 1288495), (169, 1189380), (172, 1168635), (195, 1030796), (215, 934908), (258, 779090), (260, 773097), (338, 594690), (390, 515398), (430, 467454), (461, 436020), (507, 396460), (516, 389545), (559, 359580), (645, 311636), (676, 297345), (780, 257699), (845, 237876), (860, 233727), (922, 218010), (1014, 198230), (1118, 179790), (1290, 155818), (1383, 145340), (1677, 119860), (1690, 118938), (1844, 109005), (2028, 99115), (2236, 89895), (2305, 87204), (2535, 79292), (2580, 77909), (2766, 72670), (2795, 71916), (3354, 59930), (3380, 59469), (4610, 43602), (5070, 39646), (5532, 36335), (5590, 35958), (5993, 33540), (6708, 29965), (6915, 29068), (7267, 27660), (8385, 23972), (9220, 21801), (10140, 19823), (11180, 17979), (11986, 16770), (13830, 14534)]