405708888

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 1133798400

約数和(自身を除く): 728089512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 47, 52, 73, 78, 94, 104, 141, 146, 156, 188, 219, 282, 292, 312, 376, 379, 438, 564, 584, 611, 758, 876, 949, 1128, 1137, 1222, 1516, 1752, 1833, 1898, 2274, 2444, 2847, 3032, 3431, 3666, 3796, 4548, 4888, 4927, 5694, 6862, 7332, 7592, 9096, 9854, 10293, 11388, 13724, 14664, 14781, 17813, 19708, 20586, 22776, 27448, 27667, 29562, 35626, 39416, 41172, 44603, 53439, 55334, 59124, 71252, 82344, 83001, 89206, 106878, 110668, 118248, 133809, 142504, 166002, 178412, 213756, 221336, 231569, 267618, 332004, 356824, 359671, 427512, 463138, 535236, 664008, 694707, 719342, 926276, 1070472, 1079013, 1300349, 1389414, 1438684, 1852552, 2158026, 2600698, 2778828, 2877368, 3901047, 4316052, 5201396, 5557656, 7802094, 8632104, 10402792, 15604188, 16904537, 31208376, 33809074, 50713611, 67618148, 101427222, 135236296, 202854444, 405708888]

約数ペア:

[(1, 405708888), (2, 202854444), (3, 135236296), (4, 101427222), (6, 67618148), (8, 50713611), (12, 33809074), (13, 31208376), (24, 16904537), (26, 15604188), (39, 10402792), (47, 8632104), (52, 7802094), (73, 5557656), (78, 5201396), (94, 4316052), (104, 3901047), (141, 2877368), (146, 2778828), (156, 2600698), (188, 2158026), (219, 1852552), (282, 1438684), (292, 1389414), (312, 1300349), (376, 1079013), (379, 1070472), (438, 926276), (564, 719342), (584, 694707), (611, 664008), (758, 535236), (876, 463138), (949, 427512), (1128, 359671), (1137, 356824), (1222, 332004), (1516, 267618), (1752, 231569), (1833, 221336), (1898, 213756), (2274, 178412), (2444, 166002), (2847, 142504), (3032, 133809), (3431, 118248), (3666, 110668), (3796, 106878), (4548, 89206), (4888, 83001), (4927, 82344), (5694, 71252), (6862, 59124), (7332, 55334), (7592, 53439), (9096, 44603), (9854, 41172), (10293, 39416), (11388, 35626), (13724, 29562), (14664, 27667), (14781, 27448), (17813, 22776), (19708, 20586)]