422838520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 1057976640

約数和(自身を除く): 635138120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 97, 101, 104, 130, 166, 194, 202, 260, 332, 388, 404, 415, 485, 505, 520, 664, 776, 808, 830, 970, 1010, 1079, 1261, 1313, 1660, 1940, 2020, 2158, 2522, 2626, 3320, 3880, 4040, 4316, 5044, 5252, 5395, 6305, 6565, 8051, 8383, 8632, 9797, 10088, 10504, 10790, 12610, 13130, 16102, 16766, 19594, 21580, 25220, 26260, 32204, 33532, 39188, 40255, 41915, 43160, 48985, 50440, 52520, 64408, 67064, 78376, 80510, 83830, 97970, 104663, 108979, 127361, 161020, 167660, 195940, 209326, 217958, 254722, 322040, 335320, 391880, 418652, 435916, 509444, 523315, 544895, 636805, 813151, 837304, 871832, 1018888, 1046630, 1089790, 1273610, 1626302, 2093260, 2179580, 2547220, 3252604, 4065755, 4186520, 4359160, 5094440, 6505208, 8131510, 10570963, 16263020, 21141926, 32526040, 42283852, 52854815, 84567704, 105709630, 211419260, 422838520]

約数ペア:

[(1, 422838520), (2, 211419260), (4, 105709630), (5, 84567704), (8, 52854815), (10, 42283852), (13, 32526040), (20, 21141926), (26, 16263020), (40, 10570963), (52, 8131510), (65, 6505208), (83, 5094440), (97, 4359160), (101, 4186520), (104, 4065755), (130, 3252604), (166, 2547220), (194, 2179580), (202, 2093260), (260, 1626302), (332, 1273610), (388, 1089790), (404, 1046630), (415, 1018888), (485, 871832), (505, 837304), (520, 813151), (664, 636805), (776, 544895), (808, 523315), (830, 509444), (970, 435916), (1010, 418652), (1079, 391880), (1261, 335320), (1313, 322040), (1660, 254722), (1940, 217958), (2020, 209326), (2158, 195940), (2522, 167660), (2626, 161020), (3320, 127361), (3880, 108979), (4040, 104663), (4316, 97970), (5044, 83830), (5252, 80510), (5395, 78376), (6305, 67064), (6565, 64408), (8051, 52520), (8383, 50440), (8632, 48985), (9797, 43160), (10088, 41915), (10504, 40255), (10790, 39188), (12610, 33532), (13130, 32204), (16102, 26260), (16766, 25220), (19594, 21580)]