788888930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{887}}^1$

素因数の和:1095

約数の個数: 64

約数和(自身を含む): 1554923520

約数和(自身を除く): 766034590

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 151, 155, 190, 302, 310, 589, 755, 887, 1178, 1510, 1774, 2869, 2945, 4435, 4681, 5738, 5890, 8870, 9362, 14345, 16853, 23405, 27497, 28690, 33706, 46810, 54994, 84265, 88939, 133937, 137485, 168530, 177878, 267874, 274970, 444695, 522443, 669685, 889390, 1044886, 1339370, 2544803, 2612215, 4152047, 5089606, 5224430, 8304094, 12724015, 20760235, 25448030, 41520470, 78888893, 157777786, 394444465, 788888930]

約数ペア:

[(1, 788888930), (2, 394444465), (5, 157777786), (10, 78888893), (19, 41520470), (31, 25448030), (38, 20760235), (62, 12724015), (95, 8304094), (151, 5224430), (155, 5089606), (190, 4152047), (302, 2612215), (310, 2544803), (589, 1339370), (755, 1044886), (887, 889390), (1178, 669685), (1510, 522443), (1774, 444695), (2869, 274970), (2945, 267874), (4435, 177878), (4681, 168530), (5738, 137485), (5890, 133937), (8870, 88939), (9362, 84265), (14345, 54994), (16853, 46810), (23405, 33706), (27497, 28690)]