163631420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{6427}}^1$

素因数の和:6522

約数の個数: 48

約数和(自身を含む): 367167360

約数和(自身を除く): 203535940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 1273, 1340, 2546, 5092, 6365, 6427, 12730, 12854, 25460, 25708, 32135, 64270, 122113, 128540, 244226, 430609, 488452, 610565, 861218, 1221130, 1722436, 2153045, 2442260, 4306090, 8181571, 8612180, 16363142, 32726284, 40907855, 81815710, 163631420]

約数ペア:

[(1, 163631420), (2, 81815710), (4, 40907855), (5, 32726284), (10, 16363142), (19, 8612180), (20, 8181571), (38, 4306090), (67, 2442260), (76, 2153045), (95, 1722436), (134, 1221130), (190, 861218), (268, 610565), (335, 488452), (380, 430609), (670, 244226), (1273, 128540), (1340, 122113), (2546, 64270), (5092, 32135), (6365, 25708), (6427, 25460), (12730, 12854)]