389818240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{87013}}^1$

素因数の和:87039

約数の個数: 64

約数和(自身を含む): 1065051360

約数和(自身を除く): 675233120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 87013, 174026, 348052, 435065, 609091, 696104, 870130, 1218182, 1392208, 1740260, 2436364, 2784416, 3045455, 3480520, 4872728, 5568832, 6090910, 6961040, 9745456, 11137664, 12181820, 13922080, 19490912, 24363640, 27844160, 38981824, 48727280, 55688320, 77963648, 97454560, 194909120, 389818240]

約数ペア:

[(1, 389818240), (2, 194909120), (4, 97454560), (5, 77963648), (7, 55688320), (8, 48727280), (10, 38981824), (14, 27844160), (16, 24363640), (20, 19490912), (28, 13922080), (32, 12181820), (35, 11137664), (40, 9745456), (56, 6961040), (64, 6090910), (70, 5568832), (80, 4872728), (112, 3480520), (128, 3045455), (140, 2784416), (160, 2436364), (224, 1740260), (280, 1392208), (320, 1218182), (448, 870130), (560, 696104), (640, 609091), (896, 435065), (1120, 348052), (2240, 174026), (4480, 87013)]