421852340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7477}}^1$

素因数の和:7537

約数の個数: 96

約数和(自身を含む): 1125648384

約数和(自身を除く): 703796044

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 1085, 1612, 1820, 2015, 2170, 2821, 4030, 4340, 5642, 7477, 8060, 11284, 14105, 14954, 28210, 29908, 37385, 52339, 56420, 74770, 97201, 104678, 149540, 194402, 209356, 231787, 261695, 388804, 463574, 486005, 523390, 680407, 927148, 972010, 1046780, 1158935, 1360814, 1622509, 1944020, 2317870, 2721628, 3013231, 3245018, 3402035, 4635740, 6026462, 6490036, 6804070, 8112545, 12052924, 13608140, 15066155, 16225090, 21092617, 30132310, 32450180, 42185234, 60264620, 84370468, 105463085, 210926170, 421852340]

約数ペア:

[(1, 421852340), (2, 210926170), (4, 105463085), (5, 84370468), (7, 60264620), (10, 42185234), (13, 32450180), (14, 30132310), (20, 21092617), (26, 16225090), (28, 15066155), (31, 13608140), (35, 12052924), (52, 8112545), (62, 6804070), (65, 6490036), (70, 6026462), (91, 4635740), (124, 3402035), (130, 3245018), (140, 3013231), (155, 2721628), (182, 2317870), (217, 1944020), (260, 1622509), (310, 1360814), (364, 1158935), (403, 1046780), (434, 972010), (455, 927148), (620, 680407), (806, 523390), (868, 486005), (910, 463574), (1085, 388804), (1612, 261695), (1820, 231787), (2015, 209356), (2170, 194402), (2821, 149540), (4030, 104678), (4340, 97201), (5642, 74770), (7477, 56420), (8060, 52339), (11284, 37385), (14105, 29908), (14954, 28210)]