15702998020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{464311}}^1$

素因数の和:464428

約数の個数: 48

約数和(自身を含む): 35101987200

約数和(自身を除く): 19398989180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6764, 8455, 16910, 33820, 464311, 928622, 1857244, 2321555, 4643110, 8821909, 9286220, 17643818, 35287636, 41323679, 44109545, 82647358, 88219090, 165294716, 176438180, 206618395, 413236790, 785149901, 826473580, 1570299802, 3140599604, 3925749505, 7851499010, 15702998020]

約数ペア:

[(1, 15702998020), (2, 7851499010), (4, 3925749505), (5, 3140599604), (10, 1570299802), (19, 826473580), (20, 785149901), (38, 413236790), (76, 206618395), (89, 176438180), (95, 165294716), (178, 88219090), (190, 82647358), (356, 44109545), (380, 41323679), (445, 35287636), (890, 17643818), (1691, 9286220), (1780, 8821909), (3382, 4643110), (6764, 2321555), (8455, 1857244), (16910, 928622), (33820, 464311)]