420170142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2909}}^1$

素因数の和:3121

約数の個数: 64

約数和(自身を含む): 1016870400

約数和(自身を除く): 596700258

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 181, 266, 362, 399, 543, 798, 1086, 1267, 2534, 2909, 3439, 3801, 5818, 6878, 7602, 8727, 10317, 17454, 20363, 20634, 24073, 40726, 48146, 55271, 61089, 72219, 110542, 122178, 144438, 165813, 331626, 386897, 526529, 773794, 1053058, 1160691, 1579587, 2321382, 3159174, 3685703, 7371406, 10004051, 11057109, 20008102, 22114218, 30012153, 60024306, 70028357, 140056714, 210085071, 420170142]

約数ペア:

[(1, 420170142), (2, 210085071), (3, 140056714), (6, 70028357), (7, 60024306), (14, 30012153), (19, 22114218), (21, 20008102), (38, 11057109), (42, 10004051), (57, 7371406), (114, 3685703), (133, 3159174), (181, 2321382), (266, 1579587), (362, 1160691), (399, 1053058), (543, 773794), (798, 526529), (1086, 386897), (1267, 331626), (2534, 165813), (2909, 144438), (3439, 122178), (3801, 110542), (5818, 72219), (6878, 61089), (7602, 55271), (8727, 48146), (10317, 40726), (17454, 24073), (20363, 20634)]