189828990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1823}}^1$

素因数の和:1938

約数の個数: 96

約数和(自身を含む): 537788160

約数和(自身を除く): 347959170

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 89, 90, 117, 130, 178, 195, 234, 267, 390, 445, 534, 585, 801, 890, 1157, 1170, 1335, 1602, 1823, 2314, 2670, 3471, 3646, 4005, 5469, 5785, 6942, 8010, 9115, 10413, 10938, 11570, 16407, 17355, 18230, 20826, 23699, 27345, 32814, 34710, 47398, 52065, 54690, 71097, 82035, 104130, 118495, 142194, 162247, 164070, 213291, 236990, 324494, 355485, 426582, 486741, 710970, 811235, 973482, 1066455, 1460223, 1622470, 2109211, 2132910, 2433705, 2920446, 4218422, 4867410, 6327633, 7301115, 10546055, 12655266, 14602230, 18982899, 21092110, 31638165, 37965798, 63276330, 94914495, 189828990]

約数ペア:

[(1, 189828990), (2, 94914495), (3, 63276330), (5, 37965798), (6, 31638165), (9, 21092110), (10, 18982899), (13, 14602230), (15, 12655266), (18, 10546055), (26, 7301115), (30, 6327633), (39, 4867410), (45, 4218422), (65, 2920446), (78, 2433705), (89, 2132910), (90, 2109211), (117, 1622470), (130, 1460223), (178, 1066455), (195, 973482), (234, 811235), (267, 710970), (390, 486741), (445, 426582), (534, 355485), (585, 324494), (801, 236990), (890, 213291), (1157, 164070), (1170, 162247), (1335, 142194), (1602, 118495), (1823, 104130), (2314, 82035), (2670, 71097), (3471, 54690), (3646, 52065), (4005, 47398), (5469, 34710), (5785, 32814), (6942, 27345), (8010, 23699), (9115, 20826), (10413, 18230), (10938, 17355), (11570, 16407)]