28199050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 72

約数和(自身を含む): 59371200

約数和(自身を除く): 31172150

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 59, 79, 110, 118, 121, 158, 242, 275, 295, 395, 550, 590, 605, 649, 790, 869, 1210, 1298, 1475, 1738, 1975, 2950, 3025, 3245, 3950, 4345, 4661, 6050, 6490, 7139, 8690, 9322, 9559, 14278, 16225, 19118, 21725, 23305, 32450, 35695, 43450, 46610, 47795, 51271, 71390, 95590, 102542, 116525, 178475, 233050, 238975, 256355, 356950, 477950, 512710, 563981, 1127962, 1281775, 2563550, 2819905, 5639810, 14099525, 28199050]

約数ペア:

[(1, 28199050), (2, 14099525), (5, 5639810), (10, 2819905), (11, 2563550), (22, 1281775), (25, 1127962), (50, 563981), (55, 512710), (59, 477950), (79, 356950), (110, 256355), (118, 238975), (121, 233050), (158, 178475), (242, 116525), (275, 102542), (295, 95590), (395, 71390), (550, 51271), (590, 47795), (605, 46610), (649, 43450), (790, 35695), (869, 32450), (1210, 23305), (1298, 21725), (1475, 19118), (1738, 16225), (1975, 14278), (2950, 9559), (3025, 9322), (3245, 8690), (3950, 7139), (4345, 6490), (4661, 6050)]