42831460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 108380160

約数和(自身を除く): 65548700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 71, 124, 139, 140, 142, 155, 217, 278, 284, 310, 355, 434, 497, 556, 620, 695, 710, 868, 973, 994, 1085, 1390, 1420, 1946, 1988, 2170, 2201, 2485, 2780, 3892, 4309, 4340, 4402, 4865, 4970, 8618, 8804, 9730, 9869, 9940, 11005, 15407, 17236, 19460, 19738, 21545, 22010, 30163, 30814, 39476, 43090, 44020, 49345, 60326, 61628, 69083, 77035, 86180, 98690, 120652, 138166, 150815, 154070, 197380, 276332, 301630, 305939, 308140, 345415, 603260, 611878, 690830, 1223756, 1381660, 1529695, 2141573, 3059390, 4283146, 6118780, 8566292, 10707865, 21415730, 42831460]

約数ペア:

[(1, 42831460), (2, 21415730), (4, 10707865), (5, 8566292), (7, 6118780), (10, 4283146), (14, 3059390), (20, 2141573), (28, 1529695), (31, 1381660), (35, 1223756), (62, 690830), (70, 611878), (71, 603260), (124, 345415), (139, 308140), (140, 305939), (142, 301630), (155, 276332), (217, 197380), (278, 154070), (284, 150815), (310, 138166), (355, 120652), (434, 98690), (497, 86180), (556, 77035), (620, 69083), (695, 61628), (710, 60326), (868, 49345), (973, 44020), (994, 43090), (1085, 39476), (1390, 30814), (1420, 30163), (1946, 22010), (1988, 21545), (2170, 19738), (2201, 19460), (2485, 17236), (2780, 15407), (3892, 11005), (4309, 9940), (4340, 9869), (4402, 9730), (4865, 8804), (4970, 8618)]