1992427990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1\times {\mathrm{557}}^1$

素因数の和:1081

約数の個数: 64

約数和(自身を含む): 4147127424

約数和(自身を除く): 2154699434

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 373, 557, 685, 746, 959, 1114, 1370, 1865, 1918, 2611, 2785, 3730, 3899, 4795, 5222, 5570, 7798, 9590, 13055, 19495, 26110, 38990, 51101, 76309, 102202, 152618, 207761, 255505, 357707, 381545, 415522, 511010, 534163, 715414, 763090, 1038805, 1068326, 1454327, 1788535, 2077610, 2670815, 2908654, 3577070, 5341630, 7271635, 14543270, 28463257, 56926514, 142316285, 199242799, 284632570, 398485598, 996213995, 1992427990]

約数ペア:

[(1, 1992427990), (2, 996213995), (5, 398485598), (7, 284632570), (10, 199242799), (14, 142316285), (35, 56926514), (70, 28463257), (137, 14543270), (274, 7271635), (373, 5341630), (557, 3577070), (685, 2908654), (746, 2670815), (959, 2077610), (1114, 1788535), (1370, 1454327), (1865, 1068326), (1918, 1038805), (2611, 763090), (2785, 715414), (3730, 534163), (3899, 511010), (4795, 415522), (5222, 381545), (5570, 357707), (7798, 255505), (9590, 207761), (13055, 152618), (19495, 102202), (26110, 76309), (38990, 51101)]